@article{10_4153_CJM_2004_042_x,
     author = {Hadfield, Tom},
     title = {K-Homology of the {Rotation} {Algebras} {A} \ensuremath{\theta}},
     journal = {Canadian journal of mathematics},
     pages = {926--944},
     year = {2004},
     volume = {56},
     number = {5},
     doi = {10.4153/CJM-2004-042-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2004-042-x/}
}