@article{TMF_2008_155_3_a6,
     author = {V. A. Moskalenko and P. Entel and D. F. Digor and L. A. Dohotaru and R. Citro},
     title = {A~diagram approach to the~strong coupling in the~single-impurity
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {474--497},
     publisher = {mathdoc},
     volume = {155},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_155_3_a6/}
}