@article{10_4153_CJM_1973_071_8,
     author = {Lipschutz, Seymour and Lipschutz, Martin},
     title = {A {Note} on {Root} {Decision} {Problems} in {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {702--705},
     year = {1973},
     volume = {25},
     number = {4},
     doi = {10.4153/CJM-1973-071-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-071-8/}
}