TY - JOUR AU - E. V. Gireiko AU - V. V. Gorokhovik TI - General existence conditions for maximal elements of ordered sets JO - Trudy Instituta matematiki PY - 2007 SP - 3 EP - 14 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2007_15_2_a0/ LA - ru ID - TIMB_2007_15_2_a0 ER -