@article{MZM_2010_88_5_a0,
     author = {M. B. Abrosimov},
     title = {On the {Complexity} of {Some} {Problems} {Related} to {Graph} {Extensions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--650},
     publisher = {mathdoc},
     volume = {88},
     number = {5},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_88_5_a0/}
}