%0 Journal Article %A Bl. Sendov %A P. Marinov %T Orthonormal Systems of Fractal Functions %J Mathematica balkanica %D 1997 %P 169 %V 11 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1997_11_1-2_a17/ %F MABA_1997_11_1-2_a17