Todhunter, I.
A History of the Progress of the Calculus of Variations During the 19th Century á - Mineola; New York Dover Publications 2005 - viii, 532p. - Dover Phoenix Editions .
978-0-486-44263-1
A History of the Progress of the Calculus of Variations During the 19th Century á - Mineola; New York Dover Publications 2005 - viii, 532p. - Dover Phoenix Editions .
978-0-486-44263-1