TY - JOUR AU - Kh. Sh. Al' Dzhabri TI - The graph of reflexive-transitive relations and the graph of finite topologies JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2015 SP - 3 EP - 11 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2015_25_1_a0/ LA - ru ID - VUU_2015_25_1_a0 ER -