@article{1102734027, author = {Nelson, Evelyn}, title = {Homomorphisms of monounary algebras.}, journal = {Pacific J. Math.}, volume = {103}, number = {2}, year = {1982}, pages = { 427-429}, language = {en}, url = {http://dml.mathdoc.fr/item/1102734027} }
Nelson, Evelyn. Homomorphisms of monounary algebras.. Pacific J. Math., Tome 103 (1982) no. 2, pp. 427-429. http://gdmltest.u-ga.fr/item/1102734027/