@article{SD_1969-1970__23_2_A11_0, author = {Kolibiarov\'a, Blanka}, title = {On the construction of some semigroups}, journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres}, note = {talk:DG 12}, publisher = {Secr\'etariat math\'ematique}, volume = {23}, number = {2}, year = {1969-1970}, zbl = {0215.40102}, mrnumber = {277631}, language = {en}, url = {http://www.numdam.org/item/SD_1969-1970__23_2_A11_0/} }