@article{10_4153_CMB_1991_003_5,
     author = {Anderson, David F. and Houston, Evan G. and Zafrullah, Muhammad},
     title = {Pseudo-Integrality},
     journal = {Canadian mathematical bulletin},
     pages = {15--22},
     year = {1991},
     volume = {34},
     number = {1},
     doi = {10.4153/CMB-1991-003-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-003-5/}
}