@article{ZNSL_1983_132_a8,
     author = {L. P. Vinogradova and A. V. Yakovlev},
     title = {Representations of the set with two relations of partial order},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {69--75},
     publisher = {mathdoc},
     volume = {132},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1983_132_a8/}
}