@article{DAN_1988_301_2_a14,
     author = {G. M. Gavrilenko},
     title = {The second quantization method in the theory of surface coverings},
     journal = {Doklady Akademii Nauk},
     pages = {318--323},
     publisher = {mathdoc},
     volume = {301},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a14/}
}