@article{DAN_1976_226_6_a12,
     author = {A. P. Shostak},
     title = {$Q$-extensions of topological spaces and rings of functions},
     journal = {Doklady Akademii Nauk},
     pages = {1291--1294},
     publisher = {mathdoc},
     volume = {226},
     number = {6},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_6_a12/}
}