TY - JOUR AU - A. V. Lapin TI - Investigation of a nonstationary nonlinear variational inequality JO - Differencialʹnye uravneniâ PY - 1980 SP - 1245 EP - 1254 VL - 16 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_7_a8/ LA - ru ID - DE_1980_16_7_a8 ER -