@article{TMF_1987_70_1_a9,
     author = {K. G. Klimenko},
     title = {Phase transitions in the $O(N)$ model with several coupling constants},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {125--134},
     publisher = {mathdoc},
     volume = {70},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_70_1_a9/}
}