1. Pure and Applied Mathematics, Vol. X;Dieudonné, J.,1960
2. Almost-finite, compact, and inessential operators;Kleinecke, David;Proc. Amer. Math. Soc.,1963
3. Operators of Riesz type;Caradus, S. R.;Pacific J. Math.,1966
4. Fundamental aspects of defect numbers, root numbers and indexes of linear operators;Gohberg, I. C.;Uspehi Mat. Nauk (N.S.),1957
5. Spectral theory for Fredholm operators;Kaniel, Shmuel;Comm. Pure Appl. Math.,1963