TY - JOUR AU - Do Long Van TI - On the word and conjugacy problems for some classes of finitely presented groups JO - Doklady Akademii Nauk PY - 1978 SP - 1005 EP - 1008 VL - 241 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_241_5_a1/ LA - ru ID - DAN_1978_241_5_a1 ER -