Al-Janabi, S., Kozma, L.: On generalized Douglas curvature of Finsler metrics.
Global Journal of Advanced Research on Classical and Modern Geometries. 12 (2), 229-236, 2023.

Kozma, L., Elgendi, S.: On the existence of parallel one forms.
Int. J. Geom. Methods Mod. Phys. 20 (07), 1-16, 2023.

Al-Janabi, S., Kozma, L.: On New Classes of Stretch Finsler Metrics.
Journal of Finsler Geometry and its Applications 3 (1), 86-99, 2022.

Elgendi, S., Kozma, L.: (\alpha ,\beta )-Metrics Satisfying the T-Condition or the \sigma T-Condition.
J. Geom. Anal. 31 (8), 7866-7884, 2021.

Alabdulsada, L., Kozma, L.: On non-positive curvature properties of the Hilbert metric.
J. Geom. Anal. 29 (1), 569-576, 2019.

Alabdulsada, L., Kozma, L.: On the connections of sub-Finslerian geometry.
Int. J. Geom. Methods Mod. Phys. 16 1-13, 2019.

Anastasiei, M., Kozma, L., Ioan, R.: Some applications of index form in Finsler geometry.
Publ. Math. Debr. 90 (3-4), 455-469, 2017.

Kozma, L., Ootsuka, T.: Finsler Connection for General Lagrangian Systems.
Rep. Math. Phys. 78 (2), 157-175, 2016.

Bácsó, S., Kozma, L.: On a certain reconstruction of a Rapcsák paper (Über die bahntreuen Abbildungen metrischer Räume, Publ. Math. Debrecen 8 (1961) 285-290).
Differ. Geom. Appl. 49 372-379, 2016.

Gaál, I., Kozma, L.: Lineáris algebra.
Debreceni Egyetemi Kiadó, Debrecen, 167 p., 2013. ISBN: 9789633183229

Kozma, L.: Editorial.
Communications in Mathematics. 19 (2), 89-90, 2012.

Kozma, L., Lawrynowicz, J., Tamássy, L.: Obituary: Roman Stanislaw Ingarden (1920-2011).
Bull. Soc. Sci. Lett. Łódź. Ser. Rech. Déform. 61 (2), 7-15, 2011.

Bácsó, S., Kozma, L., Szilasi, J.: Workshop on Finsler Geometry and its Applications. 2007, Hungary. Preface.
Acta Math. Acad. Paedag. Nyíregyh. 24 (1), 1-2, 2008.

Aikou, T., Krupka, D., Saunders, D., Kozma, L.: Global aspects of finsler geometry.
In: Handbook of Global Analysis. Ed.: by Demeter Krupka, David Saunders, Elsevier, Amsterdam, 1-44, 2007.

Kristály, A., Kozma, L.: Metric characterization of Berwald spaces of non-positive flag curvature.
Journal of Geometry And Physics 56 (8), 1257-1270, 2006.

Kozma, L., Ioan, R., Hideo, S.: On the twisted product of Finsler manifolds.
Rep. Math. Phys. 57 (3), 375-383, 2006.

Kozma, L., Ioan, R.: Weinstein's theorem for Finsler manifolds.
Kyoto J. Math. 46 (2), 377-382, 2006.

Kozma, L., Kristály, A., Varga, C.: Critical Point Theorems on Finsler Manifolds.
Beitr Algebra Geom. 45 (1), 47-59, 2004.

Csirik, J., Kozma, L., Selényi, E., Sima, D., Kormos, J.: Informatikai szakok a felsőoktatásban.
In: VIII. Országos (Centenáriumi) Neumann Kongresszus : előadások, összefoglalók : [2003. október 15-17. Budapest, Magyar Tudományos Akadémia], Budapest : NJSZT, Budapest, 281-282, 2004.

Kozma, L., Ioan, R.: Coincidence of geodesic correspondences in real Finsler manifolds.
An. Stiint. Univ. AI. I. Cuza Iasi. Ser. Noua Math. 48 (2), 363-369, 2002.

Kozma, L., Radu, P., Varga, C.: Warped product of Finsler manifolds.
Ann. Univ. Sci. Bp. Rolando Eötvös Nomin., Sect. Math. 44 155-168, 2001.

Tamássy, L., Kozma, L.: Finsler geometry inspired.
In: Finslerian geometries: a meeting of minds : proceedings of the international conference on Finsler and Lagrange geometry and its applications. Ed.: P. L. Antonelli, Kluwer Academic Publishers, Dordrecht, 9-14, 2000. ISBN: 9780792361152

Kozma, L., Radu, P.: Intersection theorems for Finsler manifolds.
Publ. Math. Debr. 57 (1-2), 193-201, 2000.

Gaál, I., Kozma, L.: Lineáris algebra.
Kossuth Egyetemi Kiadó, Debrecen, 163 p., 2000.

Kozma, L.: On holonomy groups of Landsberg manifolds.
Tensor. 62 (1), 87-90, 2000.