%0 Journal Article
%A Byrd, Richard D.
%A Lloyd, Justin T.
%A Mena, Roberto A.
%A Teller, J. Roger
%T The lattice of solid $\sigma$-subgroups of a retractable group
%J Czechoslovak Mathematical Journal
%D 1978
%P 189-199
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101526/
%R 10.21136/CMJ.1978.101526
%G en
%F 10_21136_CMJ_1978_101526