Petrushev, P. P.  1949- <br/><br/>
Rational approximation of real functions / 
P. P. Petrushev, V. A. Popov. 
 - Cambridge :  Cambridge University Press,  1987. 
<br/><br/> Title from publisher's bibliographic system (viewed on 05 Oct 2015). 
<br/><br/><label>ISBN: </label>9781107340756 (ebook) 
<br/><br/><label>Subjects--Index Terms: </label>მათემატიკა 
<br/><br/><label>Dewey Class. No.: </label>515.8