TY - JOUR AU - V. S. Mokeichev TI - The small parameter method in the case of resonance and in the absence of a solution to the degenerate equation JO - Issledovaniya po Prikladnoi Matematike i Informatike PY - 1992 SP - 83 EP - 97 VL - 20 IS - 20 UR - http://geodesic.mathdoc.fr/item/KUIPM_1992_20_20_a9/ LA - ru ID - KUIPM_1992_20_20_a9 ER -