El'sgol' ts, L.  E. <br/><br/>
Introduction to the theory and application of differential equations with deviating arguments, /    
by L. E. El' sgol' ts [and] S. B. Norki n; translated by John L. Casti. 
 - xiv, 357 p. :    illus. ;    23 cm. 
 - Mathematics in science and engineering ;   105. .
<br/><br/>Includes bibliography: p. 293-357. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations .--------
<br/><br/><label>Dewey Class. No.: </label>515.35 ELS