Páta, P., Bernas, M., Castro-Tirado, A.J., Hudec, R. Properties of Karhunen-Loeve expansion of astronomical images in comparison with other integral transforms. In: KIPPEN, R.M., MALLOZZI, R.S., FISHMAN, G.J, eds. Gamma-ray bursts. Melville: American institute of physics, 2000, s. 882-886. AIP conference proceedings., 526.