@article{10_1007_s10587_014_0114_9,
     author = {Liu, Jichun and Sun, Longgang},
     title = {Idempotent completion of pretriangulated categories},
     journal = {Czechoslovak Mathematical Journal},
     pages = {477--494},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {2014},
     doi = {10.1007/s10587-014-0114-9},
     mrnumber = {3277749},
     zbl = {06391507},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0114-9/}
}