%0 Journal Article
%A J. Almeida
%T Power pseudovarieties of semigroups I.
%J Semigroup forum
%D 1986
%P 357-374
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1986__33_134819/
%F SF_1986__33_134819