@article{TMF_1975_24_3_a2,
     author = {I. S. Vaklev and S. B. Drenska and S. I. Zlatev and M. I. Ivanov and A. B. Nikolov},
     title = {Complete ladder sets for $U(6, 6)$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {315--324},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_24_3_a2/}
}