Authors: Etsin, IS Parfenov, VA

Citation: Is. Etsin et Va. Parfenov, Application of two-wavelength interferometry for testing severely aberrated mirrors, P SPIE, 4338, 2000, pp. 197-206

Authors: Etsin, IS Seregin, DA Butenko, LN Onokhov, AP Seregin, AG

Citation: Is. Etsin et al., Investigation of liquid crystal wave for front correctors, IAN FIZ, 63(6), 1999, pp. 1220-1223