@article{IM2_2002_66_1_a2,
     author = {V. V. Galatenko},
     title = {On orthorecursive expansion by a~certain function system},
     journal = {Izvestiya. Mathematics },
     pages = {59--70},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2002_66_1_a2/}
}