@article{DA_1997_4_2_a1,
     author = {P. V. Efremov},
     title = {Matchings in geometric bipartite graphs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {10--22},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1997_4_2_a1/}
}