LeGiang
06-11-2007, 09:56 PM
Không gian Hilbert
http://vi.wikipedia.org/wiki/Kh%C3%B4ng_gian_Hilbert (http://vi.wikipedia.org/wiki/Kh%C3%B4ng_gian_Hilbert)
http://vi.wikipedia.org/wiki/Kh%C3%B4ng_gian_Hilbert (http://vi.wikipedia.org/wiki/Kh%C3%B4ng_gian_Hilbert)