%0 Journal Article %A B. M. Shain %T Representation of ordered projection semigroups %J Sbornik. Mathematics %D 1971 %P 552-568 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1971_13_4_a3/ %G en %F SM_1971_13_4_a3