@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/