@article{10_4064_sm_2_1_68_71,
     author = {S. Mazurkiewicz},
     title = {Sur la d\'eriv\'ee faible d'un ensemble de fonctionnelles lin\'eaires},
     journal = {Studia Mathematica},
     pages = {68--71},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1930},
     doi = {10.4064/sm-2-1-68-71},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-2-1-68-71/}
}