1 “... (D. Larson's theorem, Ringrose's hypothesis, the Kadison-Singer and Gohberg-Krein questions). We also...”

2 “.... The corresponding problem on the semiaxis was previously solved by N. Wiener–E. Hopf and by M.G. Krein. The problem...”

3 “... containing the classical interpolation problems (Nevanlinna­ Pick, Caratheodory, Schur, Humburger, Krein...”