Kushner/Lychagin/Rubtsov <br/><br/>
Contact Geometry and Nonlinear Differential Equations 

 -  Cambridge University Press  Cambridge University Press  2006 
<br/><br/><label>ISBN: </label>9780511735141 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics