@article{SM_1981_38_1_a8,
     author = {A. Yu. Volovikov},
     title = {Two theorems from the theory of periodic transformations},
     journal = {Sbornik. Mathematics},
     pages = {119--125},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_38_1_a8/}
}