@article{10_4064_ba61_3_3,
     author = {Adam Os\k{e}kowski},
     title = {Maximal {Weak-Type} {Inequality} for {Orthogonal} {Harmonic} {Functions} and {Martingales}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {209--218},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {2013},
     doi = {10.4064/ba61-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba61-3-3/}
}