Panik, Michael J Theil, Henri, ed. series <br/><br/>
Classical optimization : Foundations and extensions 

 - Oxford  North - Holland publishing company  1976 
 - xi,312p.; 22cm. 
 - Studies in mathematical and managerial economics .
<br/><br/><label>ISBN: </label>444105689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics mathematical<br/>Matrices determinants<br/>Quadratic forms