TY - JOUR AU - Yu. P. Boglaev TI - The generalized Frobenius formula in singularly perturbed linear equations JO - Doklady Akademii Nauk PY - 1979 SP - 528 EP - 531 VL - 247 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_247_3_a2/ LA - ru ID - DAN_1979_247_3_a2 ER -