TY - JOUR AU - O. T. Pop AU - M. DalcĂ­n TI - Equalities and Inequalities in the Excircle Quadrilateral of a Convex Quadrilateral JO - Journal for geometry and graphics PY - 2023 SP - 171 EP - 179 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2023_27_2_JGG_2023_27_2_a4/ ID - JGG_2023_27_2_JGG_2023_27_2_a4 ER -