@article{1183502553,
author = {Perlin, Irwin E.},
title = {Indefinitely differentiable functions with prescribed least upper bounds},
journal = {Bull. Amer. Math. Soc.},
volume = {46},
number = {11},
year = {1940},
pages = { 272-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1183502553}
}
Perlin, Irwin E. Indefinitely differentiable functions with prescribed least upper bounds. Bull. Amer. Math. Soc., Tome 46 (1940) no. 11, pp. 272-273. http://gdmltest.u-ga.fr/item/1183502553/