@article{10_21136_CMJ_1972_101130,
     author = {Segeth, Karel},
     title = {Universal approximation by hill functions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {612--640},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1972},
     doi = {10.21136/CMJ.1972.101130},
     mrnumber = {0310502},
     zbl = {0247.41011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101130/}
}