TY - JOUR AU - N. M. Ivochkina AU - N. V. Filimonenkova TI - G\aa rding cones and Bellman equations in the theory of Hessian operators and equations JO - Contemporary Mathematics. Fundamental Directions PY - 2017 SP - 615 EP - 626 VL - 63 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2017_63_4_a5/ LA - ru ID - CMFD_2017_63_4_a5 ER -