TY - JOUR AU - B. Ya. Skachek TI - Distribution of eigenvalues of multidimensional differential operators JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1975 SP - 83 EP - 84 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a25/ LA - ru ID - FAA_1975_9_1_a25 ER -