@article{01570648,
title = {Some maximum principles for solutions of a class of partial differential equations in },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {23},
year = {2000},
pages = {749-751},
doi = {10.1155/S0161171200004877},
zbl = {0964.35041},
language = {en},
url = {http://dml.mathdoc.fr/item/01570648}
}
Al-Mahameed, Mohammad Mujalli. Some maximum principles for solutions of a class of partial differential equations in . International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 749-751. doi : 10.1155/S0161171200004877. http://gdmltest.u-ga.fr/item/01570648/