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Mathematical programming : proceedings of an advanced seminar, conducted by the Mathematics Research Center, the Univ. of Wisconsin, and the U. S. Army at Madison, September 11 - 13, 1972
Hu, Te Chiang, (1973)
La rentabilité de la recherche
Maurice, Pierre, (1964)
Pravovyje voprosy organizacii naučnoj raboty v SSSR
Fedkin, G.I., (1958)