@article{10_4153_CJM_2003_050_6,
     author = {Katsura, Takeshi},
     title = {The {Ideal} {Structures} of {Crossed} {Products} of {Cuntz} {Algebras} by {Quasi-Free} {Actions} of {Abelian} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {1302--1338},
     year = {2003},
     volume = {55},
     number = {6},
     doi = {10.4153/CJM-2003-050-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-050-6/}
}