@article{AIF_1973__23_4_195_0,
     author = {Burkholder, D. L. and Gundy, Richard F.},
     title = {Boundary behaviour of harmonic functions in a half-space and brownian motion},
     journal = {Annales de l'Institut Fourier},
     pages = {195--212},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {23},
     number = {4},
     year = {1973},
     doi = {10.5802/aif.487},
     zbl = {0253.31010},
     mrnumber = {51 #1943},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.487/}
}