Geodesic
Systems of matrix differential equations for surfaces
Contemporary Mathematics. Fundamental Directions, Science — Technology — Education — Mathematics — Medicine, Tome 68 (2022) no. 1, pp. 70-79.

Voir la notice de l'article provenant de la source Math-Net.Ru

Necessary and sufficient conditions for the equivalence of surfaces under the action of a special pseudo-orthogonal group are established. 
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K. K. Muminov; R. A. Gafforov. Systems of matrix differential equations for surfaces. Contemporary Mathematics. Fundamental Directions, Science — Technology — Education — Mathematics — Medicine, Tome 68 (2022) no. 1, pp. 70-79. http://geodesic.mathdoc.fr/item/CMFD_2022_68_1_a5/

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[5] Muminov K. K., “Ekvivalentnost putei i poverkhnostei dlya deistviya psevdoortogonalnoi gruppy”, Uzb. mat. zh., 2005, no. 2, 35–43

[6] Muminov K. K., Chilin V. I., Ekvivalentnost krivykh v konechnomernykh prostranstvakh, Lambert Academic Publishing, 2015

[7] Khorn R., Dzhonson Ch., Matrichnyi analiz, Mir, M., 1989 | MR

[8] Muminov K. K., “Equivalence of multidimensional surfaces with to the acting of classical groups”, Uzbek. Math. J., 2010, no. 1, 99–107 | MR

[9] Muminov K. K., Bekboev U. D., “On differential rational invariants of classical movements groups of vector spaces”, Methods Funct. Anal. Topology, 10:3 (2004), 7–10 | MR | Zbl