@article{JRAM_1978__0299_0300_152002,
     author = {Allen L. Shields and David L. Williams},
     title = {Bounded projections, duality, and multipliers in spaces of harmonic functions.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {256--279},
     publisher = {mathdoc},
     volume = {0299_0300},
     year = {1978},
     zbl = {0367.46053},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__0299_0300_152002/}
}