@article{ZR_1952_Knj_2_1_a5,
     author = {Vilko Ni\v{c}e},
     title = {Les {Surfaces} {Strophoidales} du $3^e$ {Ordre}},
     journal = {Zbornik radova},
     pages = {97 - 112},
     publisher = {mathdoc},
     volume = {Knj. 2},
     number = {1},
     year = {1952},
     url = {http://geodesic.mathdoc.fr/item/ZR_1952_Knj_2_1_a5/}
}