TY - JOUR AU - T. S. Gadzhiev TI - On the spectrum of some singular differential equations JO - Differencialʹnye uravneniâ PY - 1995 SP - 1082 EP - 1083 VL - 31 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_6_a18/ LA - ru ID - DE_1995_31_6_a18 ER -