@article{ZR_1952_Knj_2_1_a9,
     author = {Ranko Bojani\'c},
     title = {Ein {Existenzastz} {\"Uber} die {L\"osungen} einer {Klasse} {Impliziter} {Differentialgleichungen} {Erster} {Ordnung}},
     journal = {Zbornik radova},
     pages = {137 - 142},
     publisher = {mathdoc},
     volume = {Knj. 2},
     number = {1},
     year = {1952},
     url = {http://geodesic.mathdoc.fr/item/ZR_1952_Knj_2_1_a9/}
}