TY - JOUR AU - Faycal Bouchelaghem AU - Abdelouaheb Ardjouni AU - Ahcene Djoudi TI - Existence and exponential stability of positive periodic solutions for second-order dynamic equations JO - Ural mathematical journal PY - 2020 SP - 42 EP - 53 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UMJ_2020_6_1_a3/ LA - en ID - UMJ_2020_6_1_a3 ER -