%0 Journal Article %A Marián Fecko %T Some Useful Operators on Differential Forms on Galilean and Carrollian Spacetimes %J Symmetry, integrability and geometry: methods and applications %D 2023 %V 19 %U http://geodesic.mathdoc.fr/item/SIGMA_2023_19_a23/ %G en %F SIGMA_2023_19_a23