On the sharpness almost everywhere of equivalence assertions for positive linear operators

Imhof Lorens, Nessel Rolf Joachim
1995

Classical approximation processes in connection with Lax equivalence theorems with orders

Dickmeis Werner, Nessel Rolf Joachim
1978

On the comparison of multiplier processes in Banach spaces

Nessel Rolf Joachim, Wickeren Erich van
1985

Bernstein-type inequalities for families of multiplier operators in Banach spaces with Cesàro decompositions I. General theory /

Görlich Ernst, Nessel Rolf Joachim, Trebels Walter
1973

Bernstein-type inequalities for families of multiplier operators in Banach spaces with Cesàro decompositions II. Applications /

Görlich Ernst, Nessel Rolf Joachim, Trebels Walter
1974

Steckin-type estimates for locally divisible multipliers in Banach spaces

Dickmeis Werner, Nessel Rolf Joachim, Wickeren Erich van
1984