by Nurbakova, G., Boos, E., Bunichev, V., Khabyl, N., Rustembayeva, S., Imanova, S.
Published in Physical Sciences and Technology (01.12.2022)

by Nurbakova, G, Boos, E, Bunichev, V, Habyl, N, Rustembayeva, S, Temirkhanova, D
Published in International Journal of Mathematics and Physics (25.06.2021)

by Kozhakhmet, B.K., Kulikov, G.G., Nurbakova, G.S., Rustembayeva, S.B.
Published in PHYSICO-MATHEMATICAL SERIES (15.06.2019)