1. Contractive projections in Lp spaces;Ando;Pacific J. Math.,1966
2. Invariant subspaces of completely continuous operators;Aronszajn;Ann. of Math.,1954
3. A characterization of pointwise-Lipschitz-continuous selections for the metric projection;Blatt,1981
4. Best n-dimensional approximation to sets of functions;Brown,1964
5. On continuous selections for metric projections in spaces of continuous functions;Brown;J. Funct. Anal.,1971