1. P. A. Bakut, I. N. Troitskii, and A. A. Demin, ?Present status of the phase problem in optics,? Zarub. Élektron., No. 11, 3?40 (1978).
2. M. A. Vorontsov and V. I. Shmal'gauzen, Principles of Adaptive Optics [in Russian], Nauka, Moscow (1985).
3. G. I. Vasilenko and V. I. Taratorin, Image Retrieval [in Russian], Radio i Zhizn' (1986).
4. V. K. Ablekov, S. M. Kolyadin, and A. V. Frolov, High-Resolution Optical Systems [in Russian], Mashinostroenie, Moscow (1985).
5. K. Van Schoonveld (ed.), Image Formation from Coherence Functions in Astronomy, Reidel, Dordrecht (1979).