%0 Journal Article %A José Figueroa-O'Farrill %A Ross Grassie %A Stefan Prohazka %T From pp-Waves to Galilean Spacetimes %J Symmetry, integrability and geometry: methods and applications %D 2023 %V 19 %U http://geodesic.mathdoc.fr/item/SIGMA_2023_19_a34/ %G en %F SIGMA_2023_19_a34