New and to appear
G. Groenwald, S. ter Horst, and M.A. Kaashoek, The Bezout-corona problem revisited: Wiener space setting, Complex Anal. and Oper. Theory 10 (2016), 115 – 139.
D.Z. Arov, M.A. Kaashoek, and D.R. Pik, Generalized solutions of Riccati equalities and inequalities, Methods Funct. Anal. Topology, 22 (2016), no. 2, 95 – 116.