TY - JOUR AU - A. B. Nikolov TI - Complete selection of commutating operators for ladder representations of Lie algebras of the group $U(6,6)$ JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1971 SP - 86 EP - 88 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a11/ LA - ru ID - FAA_1971_5_2_a11 ER -