TY - JOUR AU - A. R. Its AU - V. B. Matveev TI - vHill's operator with finitely many gaps JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1975 SP - 69 EP - 70 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a18/ LA - ru ID - FAA_1975_9_1_a18 ER -