@article{TIMB_2014_22_1_a4,
     author = {O. I. Duginov},
     title = {The complexity for the problems of covering of a graph with the minimum number of complete bipartite subgraphs},
     journal = {Trudy Instituta matematiki},
     pages = {51--69},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2014_22_1_a4/}
}