%0 Journal Article %A Evelyn Nelson %T Not every equational class of infinitary algebras contains a simple algebra %J Colloquium Mathematicum %D 1974 %P 27-30 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-30-1-27-30/ %R 10.4064/cm-30-1-27-30 %G en %F 10_4064_cm_30_1_27_30