1. V. V. Zhikov, S. M. Kozlov, and O. A. Oleinik, Averaging of Differential Operators (Nauka, Moscow, 1993); English translation in: V. V. Jikov, S. M. Kozlov, and O. A. Oleinik, Homogenization of Differential Operators and Integral Functionals (Springer, Berlin, 1994).
2. N. S. Bakhvalov and G. P. Panasenko, Homogenization of Processes in Periodic Media (Nauka, Moscow, 1984); English translation in: N. Bakhvalov and G. Panasenko, Homogenisation: Averaging Processes in Periodic Media, Mathematical Problems in the Mechanics of Composite Materials, Mathematics and Its Applications (Soviet Series) 36 (Kluwer, Dordrecht, 1989).
3. Lecture Notes in Physics;E. Sanchez-Palencia,1980
4. O. A. Ladyzhenskaya and N. N. Uraltseva, Linear and Quasilinear Equations of Elliptic Type (Nauka, Moscow, 1964).
5. V. V. Zhikov, “On Operator Estimates in Homogenization Theory,” Dokl. Akad. Nauk 403(3), 305–308 (2005).