The quadratic moment problem for the unit circle and unit disk Raúl E. CurtoLawrence A. Fialkow OriginalPaper Pages: 377 - 409
Boundary value problems for a class of elliptic operator pencils R. DenkR. MennickenL. Volevich OriginalPaper Pages: 410 - 436
The spectral property of dual matrix strings as a consequence of the existence of spectral matrix functions for canonical systems Israel S. Kac OriginalPaper Pages: 437 - 457
Logarithms and imaginary powers of closed linear operators Noboru Okazawa OriginalPaper Pages: 458 - 500