@article{MZM_2014_95_1_a7,
     author = {Lixin Mao},
     title = {Notes on {Several} {Orthogonal} {Classes} of {Flat} and $FP$-injective {Functors}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {93--108},
     publisher = {mathdoc},
     volume = {95},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_95_1_a7/}
}