1. Math. Surveys and Monographs;H Bercovici,1988
2. H. Bercovici, C. Foias, and A. Tannenbaum, On skew Toeplitz operators. I, Operator Theory: Advances and Applications 29(1988), 21–43.
3. C. Foias, Commutant lifting techniques for computing H
∞
controlers. In: ‘H∞-control Theory,’ Lecture Notes in Mathematics, No. 1496. Springer-Verlag, New York, 1991.
4. Operator Theory: Advances and Applications;C Foias,1990
5. C. Foias and B. Sz.-Nagy, Harmonic Analysis of Operators in Hilbert Space. North Holland, Amsterdam, 1970.