%0 Journal Article %A N. M. Belousov %A S. È. Derkachev %T Completeness of the $3j$-symbols for $SL(2,\mathbb C)$ group %J Zapiski Nauchnykh Seminarov POMI %D 2019 %P 40-52 %V 487 %U http://geodesic.mathdoc.fr/item/ZNSL_2019_487_a2/ %G ru %F ZNSL_2019_487_a2