@article{SD_1968-1969__22_2_A9_0,
     author = {Ishaq, Mohammad},
     title = {Sur une congruence et l'homomorphisme faible des alg\`ebres universelles},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:21},
     pages = {1--11},
     publisher = {Secr\'etariat math\'ematique},
     volume = {22},
     number = {2},
     year = {1968-1969},
     zbl = {0226.08007},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1968-1969__22_2_A9_0/}
}