@article{TMF_1989_80_1_a5,
     author = {S. V. Ketov},
     title = {Three-loop renormalization of~the {Wess--Zumino--Witten} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {56--64},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1989_80_1_a5/}
}