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Optimal control and system theory in dynamic economic analysis
Aoki, Masanao, (1976)
Maximal elements and the existence of equilibrium and Variational inequalities and the existence of equilibrium
Mehta, Ghanshyam, (1984)
A look at catastrophe theory
Wickes, Gene, (1978)
Remarques sur la croissance de la productivité de la main -d'oeuvre
Boulanger, Jean-Jacques, (1977)
Technique statistique et prévision économique
Boulanger, Jean-Jacques, (1980)