@article{10_4153_CJM_1972_037_0,
     author = {Feustel, C. D.},
     title = {S-Maximal {Subgroups} of \ensuremath{\pi} {l(M3)}},
     journal = {Canadian journal of mathematics},
     pages = {439--449},
     year = {1972},
     volume = {24},
     number = {3},
     doi = {10.4153/CJM-1972-037-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-037-0/}
}