@article{TMF_1977_31_2_a2,
     author = {D. I. Kazakov and V. N. Pervushin and S. V. Pushkin},
     title = {Invariant renormalization for theories with nonlinear symmetry},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {169--176},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_31_2_a2/}
}