@article{DA_2014_21_5_a0,
     author = {A. Yu. Bernshtein},
     title = {$3$-regular subgraphs and $(3,1)$-colorings of $4$-regular pseudographs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {21},
     number = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2014_21_5_a0/}
}