@article{10_4153_CMB_1978_020_8,
     author = {Burgess, W. D.},
     title = {A {Characterization} of {Biregular} {Group} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {119--120},
     year = {1978},
     volume = {21},
     number = {1},
     doi = {10.4153/CMB-1978-020-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-020-8/}
}