@article{10_4153_CJM_2007_012_7,
     author = {Chein, Orin and Goodaire, Edgar G.},
     title = {Bol {Loops} of {Nilpotence} {Class} {Two}},
     journal = {Canadian journal of mathematics},
     pages = {296--310},
     year = {2007},
     volume = {59},
     number = {2},
     doi = {10.4153/CJM-2007-012-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2007-012-7/}
}