1. Numerical Methods for Partial Differential Equations;Ames,1992
2. Variational and Quasi-Variational Inequalities;Baiocchi,1984
3. Opérateurs Maximaux Monotone et Semigroupes de Contractions dans les Espaces de Hilbert;Brezis,1973
4. Variational Inequalities and Complementarity Problems: Theory and Applications;Cottle,1980
5. On the numerical solution of the heat conduction problem in 2 and 3 space variables;Douglas;Trans. Amer. Math. Soc.,1956