@article{10_4153_CJM_1966_016_8,
     author = {Bryant, B. F. and Schneider, Hans},
     title = {Principal {Loop-Isotopes} of {Quasigroups}},
     journal = {Canadian journal of mathematics},
     pages = {120--125},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-016-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-016-8/}
}