@article{TMF_1977_33_1_a11,
     author = {V. I. Vozyakov},
     title = {Approximate second quantization method in the theory of quantum crystals},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {136--144},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_33_1_a11/}
}