by Akylbayev, M.I., Kaspirovich, I.E.
Published in Қарағанды университетінің хабаршысы. Математика сериясы (01.01.2024)

by Shaldanbayev, A. Sh, Akylbayev, M. I., Shomanbayeva, M. T., Shaldanbayeva, A. A.
Published in Journal of mathematical sciences (New York, N.Y.) (01.06.2022)

by Kalmenov, T.Sh, Shaldanbayev, A.Sh, Akylbayev, M.I., Urmatova, A.N.
Published in PHYSICO-MATHEMATICAL SERIES (15.04.2020)

by Shaldanbayev, A.Sh, Akylbayev, M.I., Zhumatayev, N.S., Shomanbayeva, M.T., Shaldanbayeva, A.A.
Published in Journal of physics. Conference series (01.03.2019)