@article{TIMB_2007_15_2_a0,
     author = {E. V. Gireiko and V. V. Gorokhovik},
     title = {General existence conditions for maximal elements of ordered sets},
     journal = {Trudy Instituta matematiki},
     pages = {3--14},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2007_15_2_a0/}
}