TY - JOUR AU - A. O. Abduvaliev TI - Asymptotic expansions of the Darboux problem solutions for the singularly perturbed hyperbolic equations JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1995 SP - 863 EP - 869 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1995_1_4_a1/ LA - ru ID - FPM_1995_1_4_a1 ER -