Nordah1, Thomas. "CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER.." Semigroup forum 11 (1975): 170-177. <http://eudml.org/doc/134139>.
@article{Nordah1975, author = {Nordah1, Thomas}, journal = {Semigroup forum}, language = {eng}, pages = {170-177}, title = {CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER.}, url = {http://eudml.org/doc/134139}, volume = {11}, year = {1975}, }
TY - JOUR AU - Nordah1, Thomas TI - CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER. JO - Semigroup forum PY - 1975 VL - 11 SP - 170 EP - 177 LA - eng UR - http://eudml.org/doc/134139 ER -
