@article{GDZPPN002194899,
title = {Bounded projections, duality, and multipliers in spaces of harmonic functions.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {302},
year = {1978},
pages = {256-279},
zbl = {0367.46053},
url = {http://dml.mathdoc.fr/item/GDZPPN002194899}
}
Shields, Allen L.; Williams, David L. Bounded projections, duality, and multipliers in spaces of harmonic functions.. Journal für die reine und angewandte Mathematik, Tome 302 (1978) pp. 256-279. http://gdmltest.u-ga.fr/item/GDZPPN002194899/