%0 Journal Article %A A. D. Aleksandrov %T Mappings of ordered spaces.~I %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1972 %P 3-21 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1972_128_a0/ %G ru %F TM_1972_128_a0