@article{10_1017_S0017089509005023,
     author = {BIRKENMEIER, GARY F. and PARK, JAE KEOL and RIZVI, S. TARIQ},
     title = {MODULES {WITH} {FI-EXTENDING} {HULLS}},
     journal = {Glasgow mathematical journal},
     pages = {347--357},
     year = {2009},
     volume = {51},
     number = {2},
     doi = {10.1017/S0017089509005023},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089509005023/}
}