TY - JOUR AU - B. V. Novikov TI - Commutative semigroups with cancellation of dimension~$1$ JO - Matematičeskie zametki PY - 1990 SP - 148 EP - 149 VL - 48 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_48_1_a21/ LA - ru ID - MZM_1990_48_1_a21 ER -