@article{GDZPPN001174320, title = {On the Approximate Solution of Nonlinear Variational Inequalities.}, journal = {Numerische Mathematik}, volume = {28}, year = {1977}, pages = {451-462}, zbl = {0354.65054}, url = {http://dml.mathdoc.fr/item/GDZPPN001174320} }
Mittelmann, H.D. On the Approximate Solution of Nonlinear Variational Inequalities.. Numerische Mathematik, Tome 28 (1977) pp. 451-462. http://gdmltest.u-ga.fr/item/GDZPPN001174320/