@ARTICLE {493, author={L. M. Fernandes and I. Figueiredo and J. J. Júdice}, doi={}, journal={Intrnl. Journal of Appl. Mathematics and Computer Science}, title={On the solution of a finite element approximation of a linear obstacle plate problem}, year={2002}, month={January}, volume={12}, number={1}, pages={27-40}, ISSN={} }