Problem-Solving Environments for Simulation and Optimization on Heterogeneous Distributed Computational Resources of the Grid - V. V. Krzhizhanovskaya; V. Korkhov (Trudy III Meždunarodnoj Konferencii "Parallelʹnye Vyčislenija i Zadači Upravlenija", Moskva, 2-4 oktjabrja 2006, Institut Problem Upravlenija Im. V. A. Trapeznikova RAN = Proceedings of the III International Conference "Parallel Computations and control Problems", V. A. Trapezniko Institute of Control Sciences, Moscow, October 2-4, 2006, 2006)