Szumilo, Karol Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.4310/HHA.2016.v18.n2.a19 (Publisher version)
Szumilo_Homotopy theory of cofibration categories_Preprint_2016.pdf (Preprint), 325KB
Szumilo, K. (2016). Homotopy theory of cofibration categories. Homology, Homotopy and Applications, 18(2), 345-357. doi:10.4310/HHA.2016.v18.n2.a19.