TY  - JOUR
AU  - G.H. Hardy
AU  - J.E. Littlewood
TI  - Elementary theorems concerning power series with positive coefficients and moment constants of positive functions.
JO  - Journal für die reine und angewandte Mathematik
PY  - 1927
SP  - 141
EP  - 158
VL  - 157
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JRAM_1927__157_149619/
ID  - JRAM_1927__157_149619
ER  -