TY  - JOUR
TI  - On approximation by Euler means of orthogonal series
KW  - Matematika
SP  - 283
UR  - http://www.acta.hu
AV  - public
VL  - 49
ID  - acta15067
A1  -  Schwinn Hans
JF  - Acta scientiarum mathematicarum
SN  - 0001-6969
Y1  - 1985///
N1  - Bibliogr.: 294. p.
EP  - 294
ER  -