@article{PIM_1963_N_S_03_17_a0,
     author = {Milan Jovin},
     title = {Dual {Integral} {Equations}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {5 },
     year = {1963},
     volume = {_N_S_03},
     number = {17},
     url = {http://geodesic.mathdoc.fr/item/PIM_1963_N_S_03_17_a0/}
}