1. Contractor directions and monotone operators;Altman;J. Integ. Eq.,1979
2. Collectively Compact Operator Approximation Theory;Anselone,1971
3. Compactness principles in nonlinear operator approximation theory;Anselone;Numer. Funct. Anal. Optim.,1979
4. A unified frame–work for the discretization of nonlinear operator equations;Anselone;Numer. Funct. Anal. Optim.,1981
5. Anselone, P. M. and Lei Jingan, The approximate solution of monotone nonlinear operator equations, (to appear).