%0 Journal Article %A Marco Bertola %A Dmitry Korotkin %A Ramtin Sasani %T Szegő Kernel and Symplectic Aspects of Spectral Transform for Extended Spaces of Rational Matrices %J Symmetry, integrability and geometry: methods and applications %D 2023 %V 19 %U http://geodesic.mathdoc.fr/item/SIGMA_2023_19_a103/ %G en %F SIGMA_2023_19_a103