TY - JOUR AU - A. B. Aliev TI - Variational inequalities for quasilinear operators of hyperbolic type JO - Matematičeskie zametki PY - 1987 SP - 369 EP - 380 VL - 42 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_3_a2/ LA - ru ID - MZM_1987_42_3_a2 ER -