TY - JOUR AU - M. K. Likht TI - Propagation of a perturbation in problems connected with degenerate quasi-linear equations of parabolic type JO - Differencialʹnye uravneniâ PY - 1966 SP - 953 EP - 957 VL - 2 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1966_2_7_a9/ LA - ru ID - DE_1966_2_7_a9 ER -