TY - JOUR AU - L. P. Nizhnik TI - A One-Dimensional Schr\"odinger Operator with Point Interactions on Sobolev Spaces JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2006 SP - 74 EP - 79 VL - 40 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2006_40_2_a8/ LA - ru ID - FAA_2006_40_2_a8 ER -