@article{ZNSL_1978_77_a0,
     author = {I. Ya. Aref'eva},
     title = {$1/N$ expansion for scalar fields},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {3--23},
     publisher = {mathdoc},
     volume = {77},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1978_77_a0/}
}