1. Extreme points and extremum problems in H1;de Leeuw;Pacific J. Math.,1958
2. Vector Measures;Dinculeanu,1967
3. Doubly invariant subspaces, II;Hasumi;Pacific J. Math.,1964
4. Lectures on Invariant Subspaces;Helson,1964
5. Invariant subspaces;Helson,1961