Hill, James M. <br/><br/>
Differential equations and group methods for scientists and engineers / 
James M. Hill. 
 - Boca Raton, Fla. :  CRC Press,  c1992. 
 - xi, 201 p. 
<br/><br/><label>ISBN: </label>0849344425 
<br/><br/><label>LCCN: </label>92034335     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Numerical solutions.<br/>Transformation groups.