@article{DA_2014_21_3_a8,
     author = {A. V. Seliverstov},
     title = {Polytopes and connected subgraphs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {82--86},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2014_21_3_a8/}
}