TY - JOUR AU - G. M. Gavrilenko TI - The second quantization method in the theory of surface coverings JO - Doklady Akademii Nauk PY - 1988 SP - 318 EP - 323 VL - 301 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a14/ LA - ru ID - DAN_1988_301_2_a14 ER -