For citations:
Maiyer F.F., Tastanov M.G., Utemissova A.A., Ysmagul R.S. ON SOME CLASSES OF DOUBLY NEARLY CONVEX FUNCTIONS. Herald of the Kazakh-British Technical University. 2025;22(2):165-176. (In Russ.) https://doi.org/10.55452/1998-6688-2025-22-2-165-176