On the Dirichlet Problem for Functions on the Extreme Boundary of a Compact Convex Set.
On the existence and regularity of solutions of linear equations in spaces
On the existence of solution of the equation and a generalized coincidence degree theory. II.
On the existence of solution of the equation and a generalized coincidence degree theory. I.
On the Fast Convergence of a Galerkin-Like Method for Equations of the Second Kind.
On the Leontief's problem in Banach lattices
On the Lyapunov equation in Banach spaces and applications to control problems.
On the minimal space of surjectivity question for linear transformations on vector spaces with applications to surjectivity of differential operators on locally convex spaces.
On the minimum time control problem and continuous families of convex sets
On the Regularization of Projection Methods for Solving Ill-Posed Problems.
On the relationship between difference and projection-difference methods
Optimal order of convergence for stable evaluation of differential operators.
Orthogonal least squares solutions for linear operators.