“…This approach became very popular subsequent to Dantzig-Wo1fe' s formulation of the decomposition principle (Dantzig and Wolfe 1960) and Bender's partitioning procedure (Benders 1962). Baumol and Fabian (1964) saw the similarities between the block angular structure of the Dantzig- Abel-Khalik and Lusk, 1971, Aoki 1971, Atkins 1973, Cassidy, Kirby and Raike 1971, Charnes, Clower and Kortanek 1967, Hass 1968, Heal 1971, Jennergren 1973, Krouse 1972, Weitzman 1970; of resource directive mechanisms (Geoffrion 1970, Kornai and Liptak 1965, Silverman 1972, Ten Kate 1972and Zschau 1966 as well as of hybrid mechanisms (Atkins 1973, andEnnuste 1973) abound.…”