1. N. M. Ivochkina, “A description of the stability cones generated by differential operators of Monge–Amp’ere type” [in Russian], Mat. Sb. 122, No. 2, 265–275 (1983); English transl.: Math. USSR, Sb. 50, 259–268 (1985).
2. N. M. Ivochkina, “Solution of the Dirichlet problem for some equations of Monge–Amp’ere type” [in Russian], Mat. Sb. 128, No. 3, 403–415 (1985); English transl.: Math. USSR-Sb. 56, No. 2, 403–415 (1987).
3. L. Caffarelly, L. Nirenberg, and J. Spruck, “The Dirichlet problem for nonlinear second order elliptic equations III. Functions of the eigenvalues of the Hessian,” Acta Math. 155, 261–301 (1985).
4. N. V. Filimonenkova, “On the classical solvability of the Dirichlet problem for nondegenerate m-Hessian equations” [in Russian], Probl. Mat. Anal. 60, 89–110 (2011); English transl.: J. Math. Sci., New York 178, No. 6, 666–694 (2011).
5. N. V. Krylov, Nonlinear Elliptic and Parabolic Equations of the Second Order [in Russian], Nauka, Moscow (1985); English transl.: Reidel, Dordrecht (1987).