%0 Journal Article %A P.V. Subrahmanyan %T An operator equation in a Tychonoff space. %J Aequationes mathematicae %D 1980 %P 166-169 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1980__20_182396/ %F AM2_1980__20_182396