@article{10_4153_CJM_1991_034_2,
     author = {Ninomiya, Yasushi},
     title = {Structure of {{\cyrr}-Solvable} {Groups} {With} {Three} {{\cyrr}-Regular} {Classes}},
     journal = {Canadian journal of mathematics},
     pages = {559--579},
     year = {1991},
     volume = {43},
     number = {3},
     doi = {10.4153/CJM-1991-034-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-034-2/}
}