%0 Journal Article %A A. A. Slavnov %T Renormalization of theories with a~nontrivial group of internal symmetry %J Informatics and Automation %D 1975 %P 210-217 %V 135 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1975_135_a24/ %G ru %F TRSPY_1975_135_a24