@article{1183530910,
author = {Littman, Walter},
title = {Maximal rates of decay of solutions of partial differential equations},
journal = {Bull. Amer. Math. Soc.},
volume = {75},
number = {5},
year = {1969},
pages = { 1273-1275},
language = {en},
url = {http://dml.mathdoc.fr/item/1183530910}
}
Littman, Walter. Maximal rates of decay of solutions of partial differential equations. Bull. Amer. Math. Soc., Tome 75 (1969) no. 5, pp. 1273-1275. http://gdmltest.u-ga.fr/item/1183530910/