@article{MZM_1975_17_5_a3,
     author = {V. V. Schechtman},
     title = {On a~criterion of exactness of a~finite free complex},
     journal = {Matemati\v{c}eskie zametki},
     pages = {711--716},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1975_17_5_a3/}
}