TY - JOUR AU - V. Oxman AU - A. Sigler TI - Relations Between Ceva's Theorem and the Concurrency of Midlines of Quadrilaterals in a Triangle JO - Journal for geometry and graphics PY - 2020 SP - 73 EP - 77 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2020_24_1_JGG_2020_24_1_a6/ ID - JGG_2020_24_1_JGG_2020_24_1_a6 ER -