@article{03736921, title = {Error estimates for the finite element solutions of variational inequalities.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {4}, year = {1981}, pages = {565-570}, doi = {10.1155/S0161171281000410}, zbl = {0469.65043}, language = {en}, url = {http://dml.mathdoc.fr/item/03736921} }
Noor, M.Aslam. Error estimates for the finite element solutions of variational inequalities.. International Journal of Mathematics and Mathematical Sciences, Tome 4 (1981) pp. 565-570. doi : 10.1155/S0161171281000410. http://gdmltest.u-ga.fr/item/03736921/