@article{FPM_2009_15_7_a10,
     author = {A. G. Sukhonos},
     title = {A~cohomological characteristic for the length and width of a~partially ordered set},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {217--227},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2009_15_7_a10/}
}