@article{GDZPPN001178776,
title = {Approximation of Tricomi Problem with Neumann Boundary Condition.},
journal = {Numerische Mathematik},
volume = {44},
year = {1984},
pages = {371-392},
zbl = {0527.65077},
url = {http://dml.mathdoc.fr/item/GDZPPN001178776}
}
Vanninathan, M.; Veerappa Gowda, G.D. Approximation of Tricomi Problem with Neumann Boundary Condition.. Numerische Mathematik, Tome 44 (1984) pp. 371-392. http://gdmltest.u-ga.fr/item/GDZPPN001178776/