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@article{ARM_1973__9_2_a3, author = {Shafaat, Ahmad}, title = {Remarks on quasivarieties of algebras}, journal = {Archivum mathematicum}, pages = {67--71}, publisher = {mathdoc}, volume = {09}, number = {2}, year = {1973}, mrnumber = {0354503}, zbl = {0292.08003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1973__9_2_a3/} }
Shafaat, Ahmad. Remarks on quasivarieties of algebras. Archivum mathematicum, Tome 09 (1973) no. 2, pp. 67-71. http://geodesic.mathdoc.fr/item/ARM_1973__9_2_a3/