%0 Journal Article %A F. Pastijn %T Pseudovarieties of completely regular semigroups. %J Semigroup forum %D 1991 %P 1-46 %V 42 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1991__42_3_135061/ %F SF_1991__42_3_135061