1. — “On some mathematical problems of elasticity,”Convegno celebrativo del Centenatio della nascita di Mauro Picone e di Leonida Tonelli, Accad. Naz. dei Lincei, Roma, Atti dei convegni Lincei,77, 259–273 (1986).
2. — “Some homogenization problems in mechanics of composite materials and porous media,” inMechanics of Nonhomogeneous Structures [in Russian], Naukova Dumka, Kiev (1986), pp. 185–190 (jointly with A. S. Shamaev).
3. — “Homogenization of the first boundary-value problem and the eigenvalue problem for the elasticity theory system with discontinuous periodic rapidly oscillating coefficients in a perforated domain,”Trudy Tbilissk. Univ., Mat., Mekh., Astron.,19–20, 77–92 (1986) (jointly with G. A. Yosifian and A. S. Shamaev).
4. -O. A. Oleinik's, “Estimates near the boundary for second-order derivatives of solutions of the Dirichlet problem for the biharmonic equation”Rend. Acad. Naz. Lincei, Ser. 8,80, fasc. 7–12, 525–529 (1986) (jointly with V. A. Kondratiev).
5. O. A. Oleinik's, “On the estimates for second-order derivatives of the solution of the Dirichlet problem for the biharmonic equation in neighborhoods of corner points of the boundary,”Usp. Mat. Nauk,42, No. 2, 231–232 (1987). (jointly with V. A. Kondratiev).