Ibragimov, Nail H. <br/><br/>
Approximate and renormgroup symmetries  [electronic resource] / 
by Nail H. Ibragimov, Vladimir F. Kovalev. 
 - Berlin, Heidelberg :  Springer-Verlag Berlin Heidelberg,  2009. 
 - iii, 145 p. :  digital ;  24 cm. 
 - Nonlinear physical science,  1867-8440 .
<br/><br/><label>ISBN: </label>9783642002281 (electronic bk.) 9783642002274 (paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.<br/>Lie groups.<br/>Symmetry (Mathematics)<br/>Applications of Mathematics.<br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA371.5  / .I27 2009 
<br/><br/><label>Dewey Class. No.: </label>515.35