@article{10_4153_CMB_1970_079_1,
     author = {Davison, T. M. K.},
     title = {On {Rings} of {Fractions}},
     journal = {Canadian mathematical bulletin},
     pages = {425--430},
     year = {1970},
     volume = {13},
     number = {4},
     doi = {10.4153/CMB-1970-079-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-079-1/}
}