TY - JOUR AU - Il Ju An AU - Eungil Ko AU - Ji Eun Lee TI - Operator matrices and their Weyl type theorems JO - Filomat PY - 2020 SP - 3191 VL - 34 IS - 10 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2010191A/ DO - 10.2298/FIL2010191A LA - en ID - 10_2298_FIL2010191A ER -