@article{PIM_1973_N_S_16_30_a8,
     author = {O. Had\v{z}i\'c},
     title = {Existence {Theorems} {For} {The} {System} {{x=H(x,} y) {y=K(x,} y)} {In} {Locally} {Convex} {Spaces}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {65 },
     publisher = {mathdoc},
     volume = {_N_S_16},
     number = {30},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/PIM_1973_N_S_16_30_a8/}
}