TY - JOUR AU - V. E. Maiorov TI - Existence of solutions of singular differential equations of higher orders JO - Matematičeskie zametki PY - 1992 SP - 75 EP - 84 VL - 51 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_51_3_a9/ LA - ru ID - MZM_1992_51_3_a9 ER -