%0 Journal Article %A Johnson, E. W. %T Primary factorization in semigroups %J Czechoslovak Mathematical Journal %D 1986 %P 180-184 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102082/ %R 10.21136/CMJ.1986.102082 %G en %F 10_21136_CMJ_1986_102082