@article{CMUC_1987__28_1_a20,
     author = {Jokl, Lud\v{e}k},
     title = {Minimal convex-valued weak {USCO} correspondences},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {192--193},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1987__28_1_a20/}
}