TY - JOUR AU - S. R. Nath TI - On classification of semigroup rings. JO - Semigroup forum PY - 1990 SP - 159 EP - 180 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1990__40_1_135016/ ID - SF_1990__40_1_135016 ER -