TY - JOUR AU - Rachid Boumahdi AU - Omar Kihel AU - Sukrawan Mavecha TI - Proof of the conjecture of Keskin, Siar and Karaatli JO - Annales Fennici Mathematici PY - 2018 SP - 557 EP - 561 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2018.4328/ DO - 10.5186/aasfm.2018.4328 LA - en ID - AFM_2018_43_1_a34 ER -