@article{10_21136_CPM_1973_108472,
     author = {Jarn{\'\i}k, Ji\v{r}{\'\i}},
     title = {On convolution of $k$ continuous functions},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {199--205},
     publisher = {mathdoc},
     volume = {098},
     number = {2},
     year = {1973},
     doi = {10.21136/CPM.1973.108472},
     mrnumber = {0330956},
     zbl = {0256.26005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1973.108472/}
}