@article{10_1017_S0017089509005151,
     author = {OUYANG, LUNQUN},
     title = {ORE {EXTENSIONS} {OF} {WEAK} {ZIP} {RINGS*}},
     journal = {Glasgow mathematical journal},
     pages = {525--537},
     year = {2009},
     volume = {51},
     number = {3},
     doi = {10.1017/S0017089509005151},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089509005151/}
}