@article{10_4153_CMB_2003_010_2,
     author = {Larsen, Nadia S.},
     title = {Crossed {Products} by {Semigroups} of {Endomorphisms} and {Groups} of {Partial} {Automorphisms}},
     journal = {Canadian mathematical bulletin},
     pages = {98--112},
     year = {2003},
     volume = {46},
     number = {1},
     doi = {10.4153/CMB-2003-010-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2003-010-2/}
}