%0 Journal Article %A N. Kehayopulu %A J. S. Ponizovskii %A M. Tsingelis %T The embedding of an ordered semigroup into an ordered group by means of pseudoorder %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 106-110 %V 236 %U http://geodesic.mathdoc.fr/item/ZNSL_1997_236_a11/ %G en %F ZNSL_1997_236_a11