@article{10_4064_fm_102_2_91_99,
     author = {Allan Calder},
     title = {Uniform homotopy},
     journal = {Fundamenta Mathematicae},
     pages = {91--99},
     publisher = {mathdoc},
     volume = {102},
     number = {2},
     year = {1979},
     doi = {10.4064/fm-102-2-91-99},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-102-2-91-99/}
}