000			00440nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9783319201283
100			_aKimball A. Milton
245		0	_aSchwinger's Quantum Action Principle
250			_a2015
260			_bSpringer International Publishing _c2015
440			_aSpringerBriefs in Physics
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-3-319-20128-3
999			_c17054 _d17054