@article {IOPORT.50024652,
    author       = {Marco, Jos\'e Manuel and Parcet, Javier},
    title        = {On the natural representation of $S(Omega)$ into $L^{2}( P(Omega))$: discrete harmonics and Fourier transform},
    year         = {2002},
    journal      = {J. Comb. Theory, Ser. A},
    volume       = {100},
    number       = {1},
    pages        = {153-175},
    doi          = {10.1006/jcta.2002.3291},
    identifier   = {50024652},
}