@article{10_14712_1213_7243_2019_023,
     author = {Barr, Michael and Kennison, John F. and Raphael, Robert},
     title = {Contractible simplicial objects},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {473--495},
     year = {2019},
     volume = {60},
     number = {4},
     doi = {10.14712/1213-7243.2019.023},
     mrnumber = {4061357},
     zbl = {07177884},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2019.023/}
}