We give a new proof of Hardy and Littlewood theorem concerning harmonic conjugates of functions u such that ∫D |u(z)|pdA(z) < ∞, 0 < p ≤ 1. We also obtain an inequality for integral means of such harmonic functions u.
@article{bwmeta1.element.doi-10_2478_v10062-008-0015-1, author = {Pawe\l\ Sobolewski}, title = {Properties of harmonic conjugates}, journal = {Annales UMCS, Mathematica}, volume = {62}, year = {2008}, pages = {143-147}, zbl = {1179.30056}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10062-008-0015-1} }
Paweł Sobolewski. Properties of harmonic conjugates. Annales UMCS, Mathematica, Tome 62 (2008) pp. 143-147. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10062-008-0015-1/
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