@article{JRAM_1969__238_183521,
     author = {A.L. Shields and P.L. Duren and B.W. Romberg},
     title = {Linear functionals on {Hp} spaces with 0 < p < 1.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {32--60},
     publisher = {mathdoc},
     volume = {238},
     year = {1969},
     zbl = {0176.43102},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__238_183521/}
}