@article{ZNSL_1976_57_a1,
     author = {A. Z. Borevich},
     title = {Kummer extensions of rings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {8--30},
     publisher = {mathdoc},
     volume = {57},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_57_a1/}
}