Natural Isoperimetric Conditions in the Calculus of Variations
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Publication:4759082
DOI10.1073/pnas.21.2.99zbMath0011.16701OpenAlexW2057744388WikidataQ33740801 ScholiaQ33740801MaRDI QIDQ4759082
M. R. Hestenes, George D. Birkhoff
Publication date: 1935
Published in: Proceedings of the National Academy of Sciences (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1073/pnas.21.2.99
Related Items (3)
A note on the Poincaré—Birkhoff fixed point theorem and periodic solutions of planar systems ⋮ The existence of the second fixed point: A correction to Periodic solutions of x+f(x,t)=0 via the Poincaré-Birkhoff theorem ⋮ An appreciation of Professor M. R. Hestenes
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