The Mutual Primal-Dual Method (Algorithm 285 [H]) CACM July, 1967 Spath, H. CA670711g JB March 23, 1978 3:21 PM 1561 5 1561 1561 5 1561 1561 5 1561 1987 5 1561 1561 6 1561 1581 6 1561 1779 6 1561 1944 6 1561 714 6 1561