Imhof Lorens; Nessel Rolf Joachim: On the sharpness almost everywhere of equivalence assertions for positive linear operators. In: Acta scientiarum mathematicarum, (60) 1-2. pp. 385-409. (1995)
Nessel Rolf Joachim; Wickeren Erich van: On the comparison of multiplier processes in Banach spaces. In: Acta scientiarum mathematicarum, (48). pp. 379-394. (1985)
Dickmeis Werner; Nessel Rolf Joachim; Wickeren Erich van: Steckin-type estimates for locally divisible multipliers in Banach spaces. In: Acta scientiarum mathematicarum, (47) 1-2. pp. 169-188. (1984)
Dickmeis Werner; Nessel Rolf Joachim: Classical approximation processes in connection with Lax equivalence theorems with orders. In: Acta scientiarum mathematicarum, (40) 1-2. pp. 33-48. (1978)
Görlich Ernst; Nessel Rolf Joachim; Trebels Walter: Bernstein-type inequalities for families of multiplier operators in Banach spaces with Cesàro decompositions : II. Applications. In: Acta scientiarum mathematicarum, (36) 1-2. pp. 39-48. (1974)
Görlich Ernst; Nessel Rolf Joachim; Trebels Walter: Bernstein-type inequalities for families of multiplier operators in Banach spaces with Cesàro decompositions : I. General theory. In: Acta scientiarum mathematicarum, (34). pp. 121-130. (1973)