%0 Journal Article %A Josef Niederle %A Libor Polák %T The category of nonindexed algebras and weak homomorphisms %J Colloquium Mathematicum %D 1979 %P 167-179 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-41-2-167-179/ %R 10.4064/cm-41-2-167-179 %G en %F 10_4064_cm_41_2_167_179