@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}}