@article{NUMA_1990__58_5_133498,
     author = {A. Pitonyak and P. Shi and M. Shillor},
     title = {On an iterative method for variational inequalities.},
     journal = {Numerische Mathematik},
     pages = {231--242},
     publisher = {mathdoc},
     volume = {58},
     number = {5},
     year = {1990},
     zbl = {0689.65043},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133498/}
}