@article{10_4153_CJM_2012_050_x,
     author = {F\'elix, Yves and Halperin, Steve and Thomas, Jean-Claude},
     title = {The {Ranks} of the {Homotopy} {Groups} of a {Finite} {Dimensional} {Complex}},
     journal = {Canadian journal of mathematics},
     pages = {82--119},
     year = {2013},
     volume = {65},
     number = {1},
     doi = {10.4153/CJM-2012-050-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2012-050-x/}
}