TY - JOUR AU - Özkan Öztürk AU - Raegan Higgins AU - Georgia Kittou TI - Oscillation of three-dimensional time scale systems with fixed point theorems JO - Filomat PY - 2021 SP - 1915 VL - 35 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2106915O/ DO - 10.2298/FIL2106915O LA - en ID - 10_2298_FIL2106915O ER -