000			00382nam a2200133Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9780387377483
100			_aJean-Louis Basdevant
245		0	_aVariational Principles in Physics
250			_a2007
260			_bSpringer New York _c2007
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-0-387-37748-3
999			_c14086 _d14086