1
The Development of the Action Principle [E-Book] : A Didactic History from Euler-Lagrange to Schwinger /
2
Selected Topics in Gauge Theories [E-Book] /
Other Personal Name(s): ...Dittrich, Walter...

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3
Effective Lagrangians in Quantum Electrodynamics [E-Book] /
Other Personal Name(s): ...Dittrich, Walter...

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