%0 Journal Article %A Lewis C. White %A Peter E. Hydon %T Moving Frames: Difference and Differential-Difference Lagrangians %J Symmetry, integrability and geometry: methods and applications %D 2024 %V 20 %U http://geodesic.mathdoc.fr/item/SIGMA_2024_20_a5/ %G en %F SIGMA_2024_20_a5