TY - JOUR AU - A. V. Sanin TI - On width of embedding of a semigroup into a group JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1997 SP - 925 EP - 936 VL - 3 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1997_3_3_a17/ LA - ru ID - FPM_1997_3_3_a17 ER -