TY - JOUR AU - V. F. Butuzov AU - L. V. Kalachev TI - Asymptotic approximation of solution of boundary-value problem for singularly disturbed parabolic equation in the critical case JO - Matematičeskie zametki PY - 1986 SP - 819 EP - 830 VL - 39 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1986_39_6_a4/ LA - ru ID - MZM_1986_39_6_a4 ER -