%0 Journal Article %A Djavvat Khadjiev %A Idris Oren %T Global invariants of paths and curves for the group of orthogonal transformations in the two-dimensional Euclidean space %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2019 %V XXVII %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2019_XXVII_2_a6/ %F ASUO_2019_XXVII_2_a6