%0 Journal Article %A H. G. Tillman %T The need of impatience for general existence theorems for equilibria and Pareto optima in mathematical economic systems %J Revista colombiana de matematicas %D 1993 %P 127-130 %V 27 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_1993__27_1-2_181874/ %F RCM_1993__27_1-2_181874