TY  - JOUR
AU  - J. Marshall Ash
AU  - Hajrudin Fejzić
TI  - Approximate and $L^{p}$ Peano derivatives
 of nonintegral order
JO  - Studia Mathematica
PY  - 2005
SP  - 241
EP  - 258
VL  - 170
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm170-3-3/
DO  - 10.4064/sm170-3-3
LA  - en
ID  - 10_4064_sm170_3_3
ER  -