TY - JOUR AU - I. S. Lomov TI - Some properties of eigen- and associated functions of the Sturm--Liouville operator JO - Differencialʹnye uravneniâ PY - 1982 SP - 1684 EP - 1694 VL - 18 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_10_a4/ LA - ru ID - DE_1982_18_10_a4 ER -