@article{PIM_1953_S_S_V_05_a4,
     author = {Milan {\DJ}uri\'c},
     title = {Beitrag {Zur} {Theorie} {Des} {Faltwerkes}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {35 },
     publisher = {mathdoc},
     volume = {_S_S_V},
     number = {05},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/PIM_1953_S_S_V_05_a4/}
}