%0 Journal Article %A Papp, F.J. %T Comments on the definition of a Tikhonov semifield homomorphism %J Portugaliae mathematica %D 1978 %P 157-160 %V 37 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1978__37_1-2_115344/ %G en %F PORMA_1978__37_1-2_115344