TY - JOUR AU - A. V. Lapin TI - Investigation of two-layer difference schemes for parabolic variational inequalities JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1983 SP - 37 EP - 45 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1983_10_a6/ LA - ru ID - IVM_1983_10_a6 ER -