TY - JOUR AU - V. A. Yavryan TI - Regularized trace of the difference of two singular Sturm--Liouville operators JO - Doklady Akademii Nauk PY - 1966 SP - 49 EP - 51 VL - 169 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_169_1_a11/ LA - ru ID - DAN_1966_169_1_a11 ER -