@article{DA_2008_15_6_a0,
     author = {V. E. Alekseev and D. S. Malyshev},
     title = {A criterion for a class of graphs to be a~boundary class and applications},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {3--10},
     year = {2008},
     volume = {15},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2008_15_6_a0/}
}