TY - JOUR AU - A. G. Kamalian AU - M. I. Karakhanyan TI - On solvability of some boundary problem JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2020 SP - 29 EP - 34 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2020_54_1_a3/ LA - en ID - UZERU_2020_54_1_a3 ER -