@article{10_1017_S0017089501010138,
     author = {Choi, E. and Lee, H.},
     title = {The crossed product theorem for projective {Schur} algebras},
     journal = {Glasgow mathematical journal},
     pages = {135--143},
     year = {2001},
     volume = {43},
     number = {1},
     doi = {10.1017/S0017089501010138},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089501010138/}
}