Krein, Mark G..  <br/><br/>
The Markov Moment Problem and Extremal Problems /  
Krein Mark G., Nudel'man Adol'f A.. 
 - Providence, Rhode Island :   American Mathematical Society,   1977. 
 - 417 s.:   il.;   25 cm. 
<br/><br/><label>ISBN: </label>0821845004