TY - JOUR AU - Farida Lombarkia AU - Sabra Megri TI - Generalized derivation, SVEP, finite ascent, range closure JO - Filomat PY - 2020 SP - 3473 VL - 34 IS - 10 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2010473L/ DO - 10.2298/FIL2010473L LA - en ID - 10_2298_FIL2010473L ER -