Gardner, Robert B <br/><br/>
The method of equivalence and its applications 
Robert B. Gardner 
 - Philadelphia, PA  Society for Industrial and Applied Mathematics  1989 
 - vii, 127 p. : ill. ; 25 cm 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780898712407 
<br/><br/><label>ISSN: </label>89021972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential<br/>Invariants<br/>Transformations (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>516.36 GAR