@article{Schoenberg:1971:NIC,
author = {Schoenberg, I. J.},
title = {Norm inequalities for a certain class of ${C}^{\infty}$\
functions},
journal = {Israel J. Math.},
volume = {10},
year = {1971},
pages = {364–372},
mrclass = {26A93},
mrnumber = {MR0294591 (45 \#3661)},
mrreviewer = {V. Ganapathy Iyer},
doi = {10.1007/BF02771654},
zblno = {0229.26019}}