@article{ZR_1951_Knj_1_1_a9,
     author = {{\DJ}uro Kurepa},
     title = {\"Uber die {Prinzipien} der {Induktion}},
     journal = {Zbornik radova},
     pages = {109 - 118},
     publisher = {mathdoc},
     volume = {Knj. 1},
     number = {1},
     year = {1951},
     url = {http://geodesic.mathdoc.fr/item/ZR_1951_Knj_1_1_a9/}
}