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@article{SF_1993__47_2_135267, author = {K.D. jr. Magill and P.R. Misra}, title = {Homomorphisms of sandwich semigroups and sandwich near-rings.}, journal = {Semigroup forum}, pages = {168--181}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {1993}, zbl = {0805.20060}, url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135267/} }
K.D. jr. Magill; P.R. Misra. Homomorphisms of sandwich semigroups and sandwich near-rings.. Semigroup forum, Tome 47 (1993) no. 2, pp. 168-181. http://geodesic.mathdoc.fr/item/SF_1993__47_2_135267/