1. A. A. Kovalevskii, “Some problems connected with the problem of averaging variational problems for functionals with a variable domain,” in Current Analysis and its Applications (Naukova Dumka, Kiev, 1989), pp. 62–70 [in Russian].
2. A. A. Kovalevsky, “Obstacle problems in variable domains,” Complex Var. Elliptic Equ. 56 (12), 1071–1083 (2011).
3. A. A. Kovalevskii, “G-convergence and homogenization of nonlinear elliptic operators in divergence form with variable domain,” Russ. Acad. Sci. Izv. Math. 44 (3), 431–460 (1995).
4. F. Murat, Sur l’homogeneisation d’inequations elliptiques du 2ème ordre, relatives au convexe K(ψ1, ψ2) = {v ∈ H
0
1
(Ω) ψ1 ≤ v ≤ ψ2 p.p. dans O}, Preprint No. 76013 (Pierre and Marie Curie University, Paris, 1976).
5. G. Dal Maso, “Asymptotic behaviour of minimum problems with bilateral obstacles,” Ann. Mat. Pura Appl. 129 (1), 327–366 (1981).