@article{GDZPPN001184938,
title = {On optimal triangular meshes for minimizing the gradient error.},
journal = {Numerische Mathematik},
volume = {59},
year = {1991},
pages = {321-348},
zbl = {0724.65006},
url = {http://dml.mathdoc.fr/item/GDZPPN001184938}
}
D'Azevedo, E.F.; Simpson, R.B. On optimal triangular meshes for minimizing the gradient error.. Numerische Mathematik, Tome 59 (1991) pp. 321-348. http://gdmltest.u-ga.fr/item/GDZPPN001184938/