TY - JOUR AU - Yu. M. Berezanskii TI - Self-adjoint infinite-dimensional elliptic differential operators with a singular potential JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1982 SP - 55 EP - 56 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1982_16_4_a5/ LA - ru ID - FAA_1982_16_4_a5 ER -