9.

G. Lewicki and L. Skrzypek, Chalmers-Metcalf Operator and Uniqueness of Minimal Projections, Journal of Approximation Theory, 148 (2007), 71-91. PDF

8.

G. Lewicki and L. Skrzypek, On the properties of Chalmers-Metcalf operator, Banach Spaces and their Applications in Analysis (Ed. by Randrianantoanina, Beata and Randrianantoanina, Narcisse), 375-390, de Gruyter 2007. PDF

7.

B. Shekhtman and L. Skrzypek, Geometric aspects of minimal projections onto planes, Constructive Theory of Functions, Varna 2005 (B. Bojanov Ed.), 267-277, Marin Drinov Academic Publishing House, Sofia 2006. PDF

6.

B. Shekhtman and L. Skrzypek, Norming Points and Unique Minimality of Otrhogonal Projections, Abstract and Applied Analysis, 2006, Art. ID 42305, 1-17. PDF

5.

B. Shekhtman and L. Skrzypek, Uniqueness of Minimal Projections onto Two-Dimensional Subspaces, Studia Mathematica, 168 (2005), 273-284. PDF

4.

L. Skrzypek, Minimal Projections in Spaces of Functions of N Variables, Journal of Approximation Theory, 123 (2003), 214-231.

3.

L. Skrzypek, Uniqueness of Minimal Projections in Smooth Matrix Spaces, Journal of Approximation Theory, 107 (2000), 315-336.

2.

L. Skrzypek, On the Uniqueness of Norm-One Projection in James-type Spaces Generated by Order Preserving Norms, East Journal On Approximations, 6 (2000), 1-31.

1.

L. Skrzypek, The Uniqueness of Norm-One Projection in James-type Spaces, Journal of Approximation Theory, 100 (1999), 73-93.

10.

B. Shekhtman and L. Skrzypek, On the non-uniqueness of minimal projections in Lp spaces, PDF