@article{PORMA_1967__26_1_114999,
     author = {Cima, Joseph A.},
     title = {A limit theorem for harmonic functions generated by the {Bergman-Whittaker} operator},
     journal = {Portugaliae mathematica},
     pages = {31--44},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1967},
     zbl = {0179.43703},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_1_114999/}
}