%0 Journal Article %A D. T. Yan %T Optical functions and band gap of porous silicon at the energy 0,1--6,2 Ev %J Nanosistemy: fizika, himiâ, matematika %D 2011 %P 116-120 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2011_2_1_a10/ %G ru %F NANO_2011_2_1_a10