Kallio, M.J. <https://pure.iiasa.ac.at/view/iiasa/2005.html> & Rosa, C.H. <https://pure.iiasa.ac.at/view/iiasa/1541.html>  (1994).  Large-Scale Convex Optimization via Saddle Point Computation.   IIASA Working Paper. IIASA, Laxenburg, Austria: WP-94-107