TY - JOUR AU - V. A. Dmitrushchenkov TI - Spectrum of the generalized Hill operator JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 69 EP - 70 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a12/ LA - ru ID - FAA_1979_13_4_a12 ER -