@article{10_4064_am41_1_5,
     author = {Waldemar Popi\'nski},
     title = {Orthogonal series estimation
 of band-limited regression functions},
     journal = {Applicationes Mathematicae},
     pages = {51--65},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {2014},
     doi = {10.4064/am41-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am41-1-5/}
}