@article{SM_1971_15_2_a3,
     author = {G. S. Skordev},
     title = {Resolutions corresponding to closed mappings},
     journal = {Sbornik. Mathematics},
     pages = {227--240},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1971_15_2_a3/}
}