@article{10_4064_ap_41_2_111_115,
     author = {M. A. Noor and K. I. Noor},
     title = {Error estimates for the finite element solutions of variational inequalities},
     journal = {Annales Polonici Mathematici},
     pages = {111--115},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1983},
     doi = {10.4064/ap-41-2-111-115},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-41-2-111-115/}
}