%0 Journal Article %A M. B. Menskii %T Isoscalar tensor operators of the $SU_3$ group and the mass relations between particles in an octet model %J Doklady Akademii Nauk %D 1965 %P 64-67 %V 160 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_1_a16/ %G ru %F DAN_1965_160_1_a16