by Bekmaganbetov, K.A., Chechkin, G.A., Chepyzhov, V.V., Tolemis, A.A.
Published in Қарағанды университетінің хабаршысы. Математика сериясы (01.01.2023)

by Bekmaganbetov, K.A., Chechkin, G.A., Toleubay, A.M.
Published in Қарағанды университетінің хабаршысы. Математика сериясы (30.09.2022)

by Kisatov, M.A, Samokhin, V.N, Chechkin, G.A
Published in Journal of mathematical sciences (New York, N.Y.) (02.02.2022)

by K.A. Bekmaganbetov, G.A. Chechkin, A.M. Toleubay
Published in Қарағанды университетінің хабаршысы. Математика сериясы (01.09.2022)

by K.A. Bekmaganbetov, G.A. Chechkin, V.V. Chepyzhov, A.A. Tolemis
Published in Қарағанды университетінің хабаршысы. Математика сериясы (01.09.2023)

by Chechkin, G. A., Chechkina, T. P.
Published in Journal of mathematical sciences (New York, N.Y.) (01.12.2022)

by Alkhutov, Yu. A., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (04.08.2023)

by Bulatova, R. R., Samokhin, V. N., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (02.01.2020)

by Bekmaganbetov, K. A., Toleubai, A. M., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (02.04.2022)

by Samokhin, V. N., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (09.10.2018)

by Bekmaganbetov, K. A., Chepyzhov, V. V., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (09.11.2021)

by Bekmaganbetov, K.A., Chechkin, G.A., Chepyzhov, V.V., Tolemis, A.A.
Published in Қарағанды университетінің хабаршысы. Математика сериясы (28.06.2024)

by Erov, S. T., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (09.10.2018)

by Bulatova, R. R., Samokhin, V. N., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (16.10.2020)

by Romanov, M.C, Ratiu, T.S, Chechkin, G.A
Published in Journal of mathematical sciences (New York, N.Y.) (03.10.2014)

by Samokhin, V. N., Chechkin, G. A., Chechkina, T. P.
Published in Journal of mathematical sciences (New York, N.Y.) (04.01.2020)

by Bulatova, R. R., Samokhin, V. N., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (01.10.2019)

by Nazarov, S. A., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (09.10.2015)

by Bulatova, P. P., Samokhin, V. N., Chechkin, G. A.
Published in Journal of mathematical sciences (New York, N.Y.) (04.07.2018)

by Chechkin, G. A., Chechkina, T. P.
Published in Journal of mathematical sciences (New York, N.Y.) (09.05.2015)