Bellman, Richard,  1920-1984 <br/><br/>
Perturbation techniques in mathematics, engineering & physics / 
 Perturbation techniques in mathematics, engineering and physics 
Richard Bellman 
 - Mineola, NY :  Dover Publications,  2003 
 - viii, 118 p. :  ill. ;  22 cm. 
<br/><br/> Originally published: New York : Holt, Rinehart and Winston, ©1964 in series: Athena series; selected topics in mathematics 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780486432588 (pbk.) 0486432580 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Mathematics)