@article{PIM_1953_S_S_V_05_a6,
     author = {Nikola Hajdin},
     title = {Contribution {\`A} {La} {Solution} {Du} {Probl\`eme} {Plan}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {53 },
     publisher = {mathdoc},
     volume = {_S_S_V},
     number = {05},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/PIM_1953_S_S_V_05_a6/}
}