1. J. Kornai and T. Liptak, ?The model of two-level planning,? in: Planning of Structural Decisions, North Holland, Amsterdam (1967).
2. V. A. Volkonskii, ?Optimal planning in conditions of high dimensionality,? Ékonom. Mat. Metody,1, No. 2 (1965).
3. T. N. Pervozvanskaya and A. A. Pervozvanskii, ?Algorithm for finding an optimal allocation of centralized resources,? Izv. Akad. Nauk SSSR, Tekh. Kibernetika, No. 3 (1966).
4. I. Mauer, ?Penalty constant in block programming,? Izv. Akad. Nauk ÉstSSR, Fiz.-Mat.,20, No. 5 (1971).
5. Yu. M. Ermol'ev and L. G. Ermol'eva, ?The method of parametric decomposition,? Kibernetika, No. 2 (1972).