TY - JOUR AU - Milica D Cvetković AU - Ljubica S Velimirović TI - Helicoid and curvature based functional variations JO - Filomat PY - 2023 SP - 8553 VL - 37 IS - 25 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2325553C/ DO - 10.2298/FIL2325553C LA - en ID - 10_2298_FIL2325553C ER -