Todhunter, I.  1820-1884. <br/><br/>
A history of the calculus of variations during the nineteenth century / 
I. Todhunter 
 - New York :  Chelsea Publishing Company,  1962 
 - 532 p. :  ill. ;  21 cm. 
<br/><br/> 'An unaltered reprint of the first edition, originally published in 1861 under the title A history of the progress of the calculus of variations during the nineteenth century.' 
<br/><br/><label>LCCN: </label>61-018586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations