TY - JOUR AU - E. A. Larionov TI - Properties of root functions of some differential operators JO - Differencialʹnye uravneniâ PY - 1989 SP - 1812 EP - 1815 VL - 25 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_10_a24/ LA - ru ID - DE_1989_25_10_a24 ER -