TY - JOUR AU - R. Hosseinzadeh TI - Maps preserving the coincidence points of operators JO - Eurasian mathematical journal PY - 2021 SP - 42 EP - 45 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2021_12_3_a4/ LA - en ID - EMJ_2021_12_3_a4 ER -