TY  - JOUR
AU  - Küçük, Nisa
AU  - Duman, Oktay
TI  - Summability Methods in Weighted Approximation to Derivatives of Functions
JO  - Serdica Mathematical Journal
PY  - 2015
SP  - 355
EP  - 368
VL  - 41
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_2015_41_4_a3/
LA  - en
ID  - SMJ2_2015_41_4_a3
ER  -