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@article{PORMA_1978__37_1-2_115344, author = {Papp, F.J.}, title = {Comments on the definition of a {Tikhonov} semifield homomorphism}, journal = {Portugaliae mathematica}, pages = {157--160}, publisher = {mathdoc}, volume = {37}, number = {1-2}, year = {1978}, mrnumber = {0620309}, zbl = {0456.54008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1978__37_1-2_115344/} }
Papp, F.J. Comments on the definition of a Tikhonov semifield homomorphism. Portugaliae mathematica, Tome 37 (1978) no. 1-2, pp. 157-160. http://geodesic.mathdoc.fr/item/PORMA_1978__37_1-2_115344/