Arkhipov, Y. V.; Askaruly, A.; Bychenkov, V. Y.; Tkachenko, I. M. EVALUATION OF GaP SINGLE CRYSTALLINE MATRIX SUBSTRATES THICKNESS PREPARED BY SEPARATED GROWTH METHOD IN THE SYSTEM Sn- Ga InP. Rec.Contr.Phys. 2008, 2008 (3), 46-49.