@article{MZM_1978_23_3_a13,
     author = {A. A. Gura},
     title = {Homological equations and topological properties of $S^1$-extensions over an ergodic rotation of the circle},
     journal = {Matemati\v{c}eskie zametki},
     pages = {463--470},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_3_a13/}
}