TY - JOUR AU - B. N. Biyarov AU - S. A. Dzhumabaev TI - A criterion for the Volterra property of boundary value problems for Sturm–Liouville equations JO - Matematičeskie zametki PY - 1994 SP - 143 EP - 146 VL - 56 IS - 1 UR - http://geodesic.mathdoc.fr/item/MZM_1994_56_1_a15/ LA - ru ID - MZM_1994_56_1_a15 ER -