Frisch. Ragnar and Nataf, A. <br/><br/>
Maxima and minima; theory and economic applications   

 - Dordrecht  D. Reidel  1966 
 - xii, 176p. 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>658.40331  / F917.MM