@misc{DA_1997_4_4_a6,
     title = {Second {School} on {Graph} {Theory}},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {96--111},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1997_4_4_a6/}
}