@article{TMF_1986_68_1_a2,
     author = {M. A. Smondyrev},
     title = {Diagrams in the polaron model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {29--44},
     publisher = {mathdoc},
     volume = {68},
     number = {1},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1986_68_1_a2/}
}