TY - JOUR AU - Kh. M. Devadze TI - Order-defining relations in the ordered semigroup of all binary relations in a~finite set JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 28 EP - 36 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_3_a4/ LA - ru ID - IVM_1968_3_a4 ER -