1. Zhikov, V. V., Averaging of functionals of the calculus of variations and elasticity theory, Izv. Akad. Nauk SSSR Ser. Mat., 50(4), 1986, 675–710.
2. Zhikov, V. V., On Lavrentiev’s phenomenon, Russian J. Math. Phys., 3(2), 1995, 249–269.
3. Zhikov, V. V., On some variational problems, Russian J. Math. Phys., 5(1), 1997, 105–116.
4. Zhikov, V. V., Kozlov, S. M. and Oleinik, O. A., Homogenization of Differential Operators and Integral Functionals, Springer-Verlag, Berlin, 1994.
5. Baroni, P., Colombo, M. and Mingione, G., Harnack inequalities for double phase functionals, Nonlinear Anal., 121, 2015, 206–222.