Cole, Julian D. <br/><br/>
Perturbation methods in applied mathematics/ 
[by] Julian D. Cole. 
 - Waltham, Mass.:  Blaisdell,  [1968]. 
 - 260 p.:  illus.,  24 cm. 
 - Blaisdell book in pure and applied mathematics .
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>68010229 //r89 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>515.35  / C689p