Preface.
Integral Calculus, and Calculus of Variations Vol. II, GDML_Books, (1854), p. III / Harvested from
Access to full text 
@article{PPN588886025+DMDLOG_0002,
     title = {Preface.},
     booktitle = {Integral Calculus, and Calculus of Variations Vol. II},
     series = {GDML\_Books},
     publisher = {UP},
     address = {Oxford},
     year = {1854},
     pages = {III},
     url = {http://dml.mathdoc.fr/item/PPN588886025+DMDLOG_0002}
}

 (éd.). Preface., dans Integral Calculus, and Calculus of Variations Vol. II, GDML_Books,  (1854), p. III. http://gdmltest.u-ga.fr/item/PPN588886025+DMDLOG_0002/