@article{SM_1973_21_2_a8,
     author = {V. G. Miryuk},
     title = {Homology and cohomology of sets and their neighborhoods},
     journal = {Sbornik. Mathematics},
     pages = {303--315},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1973_21_2_a8/}
}