@article{FAA_1971_5_2_a11,
     author = {A. B. Nikolov},
     title = {Complete selection of commutating operators for ladder representations of {Lie} algebras of the group $U(6,6)$},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {86--88},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a11/}
}