@article{10_4064_cm_4_2_197_205,
     author = {J. Lipi\'nski},
     title = {Sur la d\'eriv\'ee d'une fonction de sauts},
     journal = {Colloquium Mathematicum},
     pages = {197--205},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1956},
     doi = {10.4064/cm-4-2-197-205},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-4-2-197-205/}
}