@article{SD_1960-1961__14_2_A10_0,
     author = {Almeida Costa, Antonio},
     title = {Sur la th\'eorie g\'en\'erale des demi-anneaux, {II}},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:25},
     pages = {1--12},
     publisher = {Secr\'etariat math\'ematique},
     volume = {14},
     number = {2},
     year = {1960-1961},
     zbl = {0135.02801},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1960-1961__14_2_A10_0/}
}