%0 Journal Article %A Romanowska, Anna B. %A Smith, J. D. H. %T On the structure of semilattice sums %J Czechoslovak Mathematical Journal %D 1991 %P 24-43 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102429/ %R 10.21136/CMJ.1991.102429 %G en %F 10_21136_CMJ_1991_102429