%0 Journal Article %A Patrik Wahlberg %T Semigroups for quadratic evolution equations acting on Shubin–Sobolev and Gelfand–Shilov spaces %J Annales Fennici Mathematici %D 2022 %P 821-853 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.54330/afm.119820/ %R 10.54330/afm.119820 %G en %F AFM_2022_47_2_a10