@article{DA_2017_24_1_a4,
     author = {D. S. Malyshev},
     title = {Critical elements in combinatorially closed families of graph classes},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {81--96},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2017_24_1_a4/}
}