@article{10_21136_CMJ_1976_101405,
     author = {Zahradn{\'\i}k, Milo\v{s}},
     title = {$\ell_1$-continuous partitions of unity on normed spaces},
     journal = {Czechoslovak Mathematical Journal},
     pages = {319--329},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     doi = {10.21136/CMJ.1976.101405},
     mrnumber = {0410682},
     zbl = {0333.46007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101405/}
}