@article{10_4153_CJM_2014_043_8,
     author = {Nystedt, Patrik and \"Oinert, Johan},
     title = {Outer {Partial} {Actions} and {Partial} {Skew} {Group} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {1144--1160},
     year = {2015},
     volume = {67},
     number = {5},
     doi = {10.4153/CJM-2014-043-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-043-8/}
}