@article{GDZPPN001179497,
title = {On Finite Element Methods for the Neumann Problem.},
journal = {Numerische Mathematik},
volume = {46},
year = {1985},
pages = {587-598},
zbl = {0571.65099},
url = {http://dml.mathdoc.fr/item/GDZPPN001179497}
}
Molchanov, I.N.; Galba, E.F. On Finite Element Methods for the Neumann Problem.. Numerische Mathematik, Tome 46 (1985) pp. 587-598. http://gdmltest.u-ga.fr/item/GDZPPN001179497/