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@article{CMJ_2002__52_2_a16, author = {Novotn\'y, Miroslav}, title = {Homomorphisms of heterogeneous algebras}, journal = {Czechoslovak Mathematical Journal}, pages = {415--428}, publisher = {mathdoc}, volume = {52}, number = {2}, year = {2002}, mrnumber = {1905448}, zbl = {1016.08005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2002__52_2_a16/} }
Novotný, Miroslav. Homomorphisms of heterogeneous algebras. Czechoslovak Mathematical Journal, Tome 52 (2002) no. 2, pp. 415-428. http://geodesic.mathdoc.fr/item/CMJ_2002__52_2_a16/