@article{10_4064_cm_20_2_255_259,
     author = {W. Waliszewski},
     title = {On the transitivity of some relations between atlases},
     journal = {Colloquium Mathematicum},
     pages = {255--259},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1969},
     doi = {10.4064/cm-20-2-255-259},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-20-2-255-259/}
}