Shepard, Ronald W. <br/><br/>
Cost and production functions   

 - Berlin  Springer-Verlag  1981 
 - ix, 104p. 
 - Lecture notes in Economics and Mathematical systems   v.194 .
<br/><br/> "reprint of the first edition"   
<br/><br/><label>ISBN: </label>3540111581 
<br/><br/><label>Dewey Class. No.: </label>338.512  / Sh548.CP