TY - JOUR AU - Djavvat Khadjiev AU - Idris Oren TI - Global invariants of paths and curves for the group of orthogonal transformations in the two-dimensional Euclidean space JO - Analele Universităţii "Ovidius" Constanţa Seria Matematică PY - 2019 VL - XXVII IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ASUO_2019_XXVII_2_a6/ ID - ASUO_2019_XXVII_2_a6 ER -