@article{10_4064_sm_58_3_287_290,
     author = {F. Schipp},
     title = {On a.e. convergence of expansion with respect to a bounded orthonormal system of polygonals},
     journal = {Studia Mathematica},
     pages = {287--290},
     publisher = {mathdoc},
     volume = {58},
     number = {3},
     year = {1976},
     doi = {10.4064/sm-58-3-287-290},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-58-3-287-290/}
}