@article{PIM_1956_S_S_X_10_a11,
     author = {S. Aljan\v{c}i\'c},
     title = {\"Uber {Summierbarkeit} {Von} {Orthogonalentwicklungen} {Stetiger} {Funktionen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {121 },
     publisher = {mathdoc},
     volume = {_S_S_X},
     number = {10},
     year = {1956},
     url = {http://geodesic.mathdoc.fr/item/PIM_1956_S_S_X_10_a11/}
}