%0 Journal Article %A V. V. Demenchuk %T Minimal topological semigroups with closed principal ideals %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1986 %P 36-39 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1986_7_a5/ %G ru %F IVM_1986_7_a5