Bellman, Richard Ernest,  1920- <br/><br/>
Perturbation techniques in mathematics, physics, and engineering/ 
Richard Ernest Bellman. 
 - New York:  Holt, Rinehart and Winston,  [c1964]. 
 - viii, 118 p.:  diagrs.,  24 cm. 
 - Athena series; selected topics in mathematics .
 - Athena series: Selected topics in mathematics .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>64011345 //r83 
<br/><br/><label>Nat. Bib. No.: </label>GB64-13153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>515.35   / B445p