Balser Werner <br/><br/>
Formal power series and linear systems of meromorphic ordinary differencial equations . 
Balser Werner 
 - Berlin  Springer University texts .      2000 
 - xviii ,299p  cm. 
<br/><br/><label>Standard No.: </label>75729 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B331, Po