@article{TMF_2014_181_1_a0,
     author = {N. M. Bogolyubov},
     title = {Combinatorics of a~strongly coupled boson system},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {5--18},
     publisher = {mathdoc},
     volume = {181},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_181_1_a0/}
}