Add this copy of Invariant Variational Principles to cart. $127.96, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2012 by Academic Press.
Add this copy of Invariant Variational Principles, Volume 138 to cart. $269.16, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 1977 by Academic Press.
