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Author:Frederic Helein
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Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.

Similar Covariant Hamiltonian formalism for the calculus of variations with several variables: Lepage--Dedecker versus de Donder--Weyl

Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.