@article{1183526092,
author = {Weinberger, H. F.},
title = {On bounding harmonic functions by linear interpolation},
journal = {Bull. Amer. Math. Soc.},
volume = {70},
number = {6},
year = {1964},
pages = { 525-529},
language = {en},
url = {http://dml.mathdoc.fr/item/1183526092}
}
Weinberger, H. F. On bounding harmonic functions by linear interpolation. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 525-529. http://gdmltest.u-ga.fr/item/1183526092/