@article{10_1007_s10587_011_0080_4,
     author = {Yang, Xiaoyan and Liu, Zhongkui},
     title = {$n$-flat and $n${-FP-injective} modules},
     journal = {Czechoslovak Mathematical Journal},
     pages = {359--369},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2011},
     doi = {10.1007/s10587-011-0080-4},
     mrnumber = {2905409},
     zbl = {1249.13011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0080-4/}
}