@article{10_21136_MB_2011_141653,
     author = {Jano\v{s}, Ludv{\'\i}k},
     title = {Some cohomological aspects of the {Banach} fixed point principle},
     journal = {Mathematica Bohemica},
     pages = {333--336},
     publisher = {mathdoc},
     volume = {136},
     number = {3},
     year = {2011},
     doi = {10.21136/MB.2011.141653},
     mrnumber = {2893980},
     zbl = {1249.54081},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141653/}
}