1. Bakhvalov, N.S.: Averaging of partial differential equations with the rapidly oscillating coefficients. Doklady Akademii Nauk SSSR 221, 3, (1975), 516–519.
2. Bakhvalov, N.S., Panasenko, G.P.: Homogenization. Averaging Processes in Periodic Media. Mathematical Problems in Mechanics of Composite Materials, Nauka, Moscow 1984. Kluwer Academic Publishers, Dordrecht-Boston-London 1989.
3. Bensoussan, A., Lions, J.L., Papanicolaou, G.: Asymptotic Methods in Periodic Structures. North Holland, Amsterdam 1978.
4. Sanchez-Palencia, E.: Non Homogeneous Media and Vibration Theory. Lecture Notes in Physics 127, Springer, Berlin 1980.
5. Bakhvalov, N.S., Eglit, M.E.: Variational properties of averaged models for periodic media. Trudy MIAN 192 (1990), 5–19.