%0 Journal Article %A Kh. M. Devadze %T Order-defining relations in the ordered semigroup of all binary relations in a~finite set %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1968 %P 28-36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1968_3_a4/ %G ru %F IVM_1968_3_a4