Gray, Jeremy,  1947- <br/><br/>
Linear Differential Equations and Group Theory from Riemann to Poincaré/ 
Jeremy J. Gray. 
 - 2. ed. 
 - Cambridge, Mass.:  Birkhäuser,  2008. 
 - XXII, 338 p.:  24 cm. 
 - Modern Birkhäuser Classics .
<br/><br/><label>ISBN: </label>0817647724 (Pb.) 9780817647728 
<br/><br/><label>Standard No.: </label>CIP08N011161 
<br/><br/><label>Dewey Class. No.: </label>515.35   / G779l