[1]
Koshanov, B., Koshanova, G., Azimkhan, G. и Segizbayeva, R. 2020. SOLVABILITY OF BOUNDARY VALUE PROBLEMS WITH NON-LOCAL CONDITIONS FOR MULTIDIMENSIONAL HYPERBOLIC EQUATIONS.
Известия НАН РК. Серия физико-математическая
. 2 (апр. 2020), 103–111.