TY - JOUR AU - V. N. Pavlenko AU - D. K. Potapov TI - On a~class of~elliptic boundary-value problems with parameter and discontinuous non-linearity JO - Izvestiya. Mathematics PY - 2020 SP - 592 EP - 607 VL - 84 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2020_84_3_a4/ LA - en ID - IM2_2020_84_3_a4 ER -