TY - JOUR AU - V. K. Kalantarov AU - O. A. Ladyzhenskaya TI - The occurrence of collapse for quasilinear equations of parabolic and hyperbolic types JO - Zapiski Nauchnykh Seminarov POMI PY - 1977 SP - 77 EP - 102 VL - 69 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1977_69_a5/ LA - ru ID - ZNSL_1977_69_a5 ER -