by Kostenko, E. I.
Published in Lobachevskii journal of mathematics (2024)

by Kostenko, E. I.
Published in Russian mathematics (2024)

by Zvyagin, A. V., Kostenko, E. I.
Published in Differential equations (01.12.2023)

by Zvyagin, V. G., Kostenko, E. I.
Published in Lobachevskii journal of mathematics (01.03.2023)

by Pisklakova, T. P., Kostenko, E. I., Telesheva, L. F.
Published in Alʹmanakh klinicheskoĭ medit͡s︡iny (01.05.2017)