Kassels, Dzh. V. S <br/><br/>
Vvedenie v Teoryu Diofantovykh Priblizhnii 
Dzh. V. S. Kassels 
 - Moscova  Izdatel(y)stvo Inostrannoj Literatury  1961 
 - 212 p  20 cm 
<br/><br/> Contine bibliografie si index  Cambridge Tracts in Mathematics and Mathematical Physics. N. 45