Extragradient Approach to the Solution of Two Person Non-Zero Sum Games (A Antipin) Nonlinear Phenomena in Economics (S Budnyam) On Some Theory, Methods and Algorithms for Concave Programming (R Enkhbat) Maximum Clique Regularizations (D Fortin & I Tseveendorj) The Role of Optimization in Economics (D W Katzner) A Global Optimization Approach to Solving Equilibrium Programming Problems (O Khamisov) Comparison of Convex Relaxations for Monomials of Odd Degree (L Liberti) Structural Stability of Vector Optimization Problems (P Mbunga) Optimization for Black-Box Objective Functions (H Nakayama et al.) New Variants of Gradient Type Methods in Optimal Control Problems (V A Srochko) Controlled Systems with Distributed Parameters: Optimally Conditions and Optimization Methods in Class of Smooth Restricted Controls (O V Vasiliev) The Points of a Linear Manifold Nearest to a Given Vector (V I Zorkaltsev) and other articles.