@article{10_4064_sm_91_1_79_83,
     author = {Donald Burkholder},
     title = {A proof of {Pe{\l}czy\'nski's} conjecture for the {Haar} system},
     journal = {Studia Mathematica},
     pages = {79--83},
     publisher = {mathdoc},
     volume = {91},
     number = {1},
     year = {1988},
     doi = {10.4064/sm-91-1-79-83},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-91-1-79-83/}
}