@article{10_4064_sm_25_1_81_91,
     author = {C. Neugebauer},
     title = {Smoothness and differentiability in $L_{p}$},
     journal = {Studia Mathematica},
     pages = {81--91},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1964},
     doi = {10.4064/sm-25-1-81-91},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-25-1-81-91/}
}