@article{PORMA_1979__38_1-2_115383,
     author = {Heinig, H.P.},
     title = {On a {Hilbert-type} transform},
     journal = {Portugaliae mathematica},
     pages = {217--223},
     publisher = {mathdoc},
     volume = {38},
     number = {1-2},
     year = {1979},
     mrnumber = {0682370},
     zbl = {0479.44005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115383/}
}