Girsanov I.V. <br/><br/>
Lectures on mathematical theory of extremum problems. 
Girsanov I.V. 
 - New York  Springer  1972 
 - 136 p. 
<br/><br/> Lecture Notes in Economics and Mathematical  Systems, N 67 
<br/><br/><label>Dewey Class. No.: </label>517.97