1. Approximate Methods in Optimization Problems;Demyanov,1970
2. Functional analysis and applied mathematics;Kantorovich;Uspehi Mat. Nauk,1948
3. An algorithm for quadratic programming;Frank;Nav. Res. Logist. Quart.,1956
4. Method of gradients;Kelley,1962
5. An iterative procedure for computing the minimum of a quadratic form on a convex set;Gilbert;SIAM J. Control, A,1966