%A  Runck Paul Otto
%A  Szabados JĂłzsef
%A  VĂŠrtesi PĂŠter
%N 3-4
%P 287-293
%D 1989
%L acta15236
%O Bibliogr.: 293. p.
%K Matematika
%T On the convergence of the differentiated trigonometric projection operators
%J Acta scientiarum mathematicarum
%V 53