@article{CMUC_2000__41_3_a15,
     author = {Jano\v{s}, Ludv{\'\i}k},
     title = {The {Banach} contraction mapping principle and cohomology},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {605--610},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {2000},
     mrnumber = {1795089},
     zbl = {1087.37502},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2000__41_3_a15/}
}