@article{PIM_1975_N_S_19_33_a10,
     author = {O. Had\v{z}i\'c},
     title = {Implicit {Differential} {Equation} {In} {Locally} {Convex} {Spaces}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {67 },
     publisher = {mathdoc},
     volume = {_N_S_19},
     number = {33},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/PIM_1975_N_S_19_33_a10/}
}