@article{DAN_1975_220_5_a8,
     author = {G. Skordev and Yu. M. Smirnov},
     title = {Factorization and approximation theorems for {Aleksandrov--Cech} cohomology in the class of compact {Hausdorff} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1031--1034},
     publisher = {mathdoc},
     volume = {220},
     number = {5},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_5_a8/}
}