Invariant variational principles By: Logan Publisher: Academic Press Print ISBN: 9780124547506, 0124547508 eText ISBN: 9780124547506, 9780080956473, 0080956475 Pages: 171 Format: PDF Available from $ 59.00 USD SKU: 9780124547506 Invariant variational principles SKU: 9780124547506 Ebooks here: https://ebookscoffee.sellpass.io/products/Invariant-variational-principles