TY - JOUR AU - A. G. Podgaev AU - T. D. Kulesh TI - Compactness theorems for problems with unknown boundary JO - Dalʹnevostočnyj matematičeskij žurnal PY - 2021 SP - 105 EP - 112 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DVMG_2021_21_1_a8/ LA - ru ID - DVMG_2021_21_1_a8 ER -