@article{10_21136_CPM_1977_108457,
     author = {P\v{r}ikryl, Petr},
     title = {Universal simultaneous approximations of the coefficient functionals},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {292--303},
     publisher = {mathdoc},
     volume = {102},
     number = {3},
     year = {1977},
     doi = {10.21136/CPM.1977.108457},
     mrnumber = {0454486},
     zbl = {0362.65009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1977.108457/}
}