%0 Journal Article
%A Anthony M. Gaglione
%A Seymour Lipschutz
%A Dennis Spellman
%T Survey of generalized pregroups and a~question of Reinhold Baer
%J Algebra and discrete mathematics
%D 2012
%P 220-236
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2012_13_2_a5/
%G en
%F ADM_2012_13_2_a5