00511nam a2200181Ia 4500 3540056378 330.183 El141.CE EI-Hodiri, M. A. Constrained extrema introduction to the differentiable case with economic applications Berlin Springer-Verlag 1971 130p. Bibl. Lecture notes in operations research and mathematical systems 56 0 0 0 0 ISI ISI 1998-06-16 0 330.183 El141.CE DP8303 2019-02-14 00:00:00 2019-02-14 BK 2726 2726 2726