TY - JOUR AU - V. F. Butuzov AU - A. I. Bychkov TI - The initial-boundary value problem for a singularly perturbed parabolic equation in the case of double and triple root of the degenerate equation JO - Čebyševskij sbornik PY - 2015 SP - 41 EP - 76 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2015_16_4_a3/ LA - ru ID - CHEB_2015_16_4_a3 ER -