Bellman, Richard,  1920-1984 <br/><br/>
Perturbation techniques in mathematics, physics, and engineering / 
Richard Bellman 
 - New York;  London :  Holt, Rinehart and Winston,  c1964. 
 - viii, 118 p :  diagrs ;  24 cm 
 - Athena series .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>510  / BEP 1966