TY - JOUR AU - V. V. Bashurov AU - V. A. Svidinskii TI - The correctness of the difference approximation of a boundary condition in problems of penetration JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1982 SP - 943 EP - 949 VL - 22 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1982_22_4_a17/ LA - ru ID - ZVMMF_1982_22_4_a17 ER -