@article{HHA_2018_20_1_a6,
     author = {Andrew Salch},
     title = {Relative homological algebra and {Waldhausen} $K$-theory},
     journal = {Homology, homotopy, and applications},
     pages = {87--116},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2018},
     doi = {10.4310/HHA.2018.v20.n1.a7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2018.v20.n1.a7/}
}