TY - JOUR AU - Mehmet Ali Sarıgöl TI - Four dimensional matrix mappings on double summable spaces JO - Filomat PY - 2023 SP - 1277 VL - 37 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2304277S/ DO - 10.2298/FIL2304277S LA - en ID - 10_2298_FIL2304277S ER -