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by B. L. MoiseiwitschPaperback details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-486-43817-7 ISBN-10: 0-486-43817-1 Dover Publications · 2004 |
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| 1966 | Hardcover | Variational Principles (Interscience Monographs and Texts in Physics and Astronomy, Vol. 20) |