@article{GDZPPN001185136,
title = {Discretization errors at free boundaries of the Grad-Schl\"uter-Shafranov equation.},
journal = {Numerische Mathematik},
volume = {59},
year = {1991},
pages = {683-710},
zbl = {0737.65092},
url = {http://dml.mathdoc.fr/item/GDZPPN001185136}
}
Meyer-Spasche, R.; Fornberg, Bengt. Discretization errors at free boundaries of the Grad-Schlüter-Shafranov equation.. Numerische Mathematik, Tome 59 (1991) pp. 683-710. http://gdmltest.u-ga.fr/item/GDZPPN001185136/