TY - JOUR AU - A. G. Aslanyan TI - A formula for the number of vibration frequencies of a shell filled with fluid JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1979 SP - 59 EP - 61 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a8/ LA - ru ID - FAA_1979_13_4_a8 ER -