1. Bertsekas, D. P.,Combined Primal-Dual and Penalty Methods for Constrained Minimization, SIAM Journal on Control and Optimization, Vol. 13, No. 3, 1975.
2. Bertsekas, D. P.,On Penalty and Multiplier Methods for Constrained Minimization, SIAM Journal on Control and Optimization, Vol. 14, No. 2, 1976.
3. Bertsekas, D. P.,Multiplier Methods: A Survey, Automatica, Vol. 12, No. 1, 1976.
4. Bertsekas, D. P.,Nondifferentiable Optimization via Approximation, Mathematical Programming Study 3, Edited by M. L. Balinski and P. Wolfe, North Holland Publishing Company, Amsterdam, Holland, pp. 1?25, 1975.
5. Bertsekas, D. P.,Approximation Procedures Based on the Method of Multipliers, Coordinated Science Laboratory, University of Illinois, Urbana, Illinois, Working Paper, 1976.