@article{ARM_2008__44_3_a1,
     author = {Liu, Zhongkui and Yang, Xiaoyan},
     title = {Left {APP-property} of formal power series rings},
     journal = {Archivum mathematicum},
     pages = {185--189},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {2008},
     mrnumber = {2462973},
     zbl = {1203.16031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2008__44_3_a1/}
}