@article{MZM_1988_43_1_a13,
     author = {B. L. Okun'},
     title = {Homological dimension and the {Mayer{\textendash}Vietoris} sequence},
     journal = {Matemati\v{c}eskie zametki},
     pages = {125--132},
     year = {1988},
     volume = {43},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_1_a13/}
}