@article{BGUMI_2017_2_a1,
     author = {V. Kursov},
     title = {a crossed product of a skew field of quaternions and four-group},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {12--16},
     publisher = {mathdoc},
     volume = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2017_2_a1/}
}