@article{10_4064_sm_1_1_1_39,
     author = {W. Orlicz},
     title = {Beitr\"age zur {Theorie} der {Orthogonalentwicklungen}},
     journal = {Studia Mathematica},
     pages = {1--39},
     year = {1929},
     volume = {1},
     number = {1},
     doi = {10.4064/sm-1-1-1-39},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-1-1-1-39/}
}