@article{1250126462,
author = {Kahane, Charles S.},
title = {On the nonnegatibity of solutions of reaction diffusion equations},
journal = {Rocky Mountain J. Math.},
volume = {17},
number = {4},
year = {1987},
pages = { 491-498},
language = {en},
url = {http://dml.mathdoc.fr/item/1250126462}
}
Kahane, Charles S. On the nonnegatibity of solutions of reaction diffusion equations. Rocky Mountain J. Math., Tome 17 (1987) no. 4, pp. 491-498. http://gdmltest.u-ga.fr/item/1250126462/