TY - JOUR AU - B. A. Bel'tyukov AU - N. N. Kochetkov TI - The method of Volterra integral equations in eigenvalue problems with several parameters JO - Differencialʹnye uravneniâ PY - 1973 SP - 922 EP - 930 VL - 9 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_5_a15/ LA - ru ID - DE_1973_9_5_a15 ER -