EL_ HODIRI Mohamed A. <br/><br/>
Constrained extrema introduction to the differentiable case with economic applications. 

 - VERLAY  Springer            1971 
 - 130p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:(B7:3), L1/SC