@article{CMUC_1991__32_3_a0,
     author = {Henriksen, M. and Larson, S. and Smith, F. A.},
     title = {When is every order ideal a ring ideal?},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {411--416},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1991},
     mrnumber = {1159787},
     zbl = {0744.06008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1991__32_3_a0/}
}