“Dynamical Structure and Definition of Energy in General Relativity”

ARNOWITT, Richard L., Stanley Deser, Charles W. Misner. “Dynamical Structure and Definition of Energy in General Relativity” December,  1959 Physical Review, vol 116 (1959) 1322-1330. Nice sharp copy, in original wrappers, removed from a larger bound volume. $125

• “In the context of general relativity, he was best known for his development (with Stanley Deser and Charles Misner) of the ADM formalism, roughly speaking a way of describing spacetime as space evolving in time, which allows a recasting of Einstein's theory in terms of a more general formalism used in physics to describe dynamical systems, namely the Hamiltonian formalism. In the framework of that formalism, there is also a straightforward way to globally define quantities like energy or, equivalently, mass (so-called ADM mass/energy) which, in general relativity, is not trivial at all.”--Wiki

Also:

_____. "Canonical Variables for General Relativity", in Physical Review, volume 117, no. 6, March 15, 1960, pp 1595-1603.  Original wrappers.  Fine copy.  $225