TY - JOUR AU - Ísmail Aslan TI - Approximation by sampling-type nonlinear discrete operators in ϕ-variation JO - Filomat PY - 2021 SP - 2731 VL - 35 IS - 8 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2108731A/ DO - 10.2298/FIL2108731A LA - en ID - 10_2298_FIL2108731A ER -