When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The Inverse Problem of the Calculus of Variations. - The Sonin–Douglas Problem. - First-Order Variational Sequences in Field Theory. Short Title INVERSE PROBLEM OF THE CALCULU. Subtitle Local and Global Theory.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.