TY - JOUR AU - El Hassan Benabdi AU - Abderrahim Baghdad AU - Mohamed Chraibi Kaadoud AU - Mohamed Barraa TI - On the inequality w(AB) ≤ c∥A∥w(B) where A is a positive operator JO - Filomat PY - 2022 SP - 1337 VL - 36 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2204337B/ DO - 10.2298/FIL2204337B LA - en ID - 10_2298_FIL2204337B ER -