TY - JOUR AU - V. F. Butuzov AU - A. V. Nesterov TI - Some singularly perturbed problems of hyperbolic type with transition layers JO - Differencialʹnye uravneniâ PY - 1986 SP - 1739 EP - 1744 VL - 22 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_10_a8/ LA - ru ID - DE_1986_22_10_a8 ER -