@article{SM_1982_43_1_a6,
     author = {V. A. Smirnov},
     title = {On the cochain complex of topological spaces},
     journal = {Sbornik. Mathematics},
     pages = {133--144},
     year = {1982},
     volume = {43},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1982_43_1_a6/}
}