%0 Journal Article %A Reinhard John %T On classes of algebras definable by regular equations %J Colloquium Mathematicum %D 1976 %P 17-21 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-17-21/ %R 10.4064/cm-36-1-17-21 %G en %F 10_4064_cm_36_1_17_21