Notes on a lecture by Schwinger.

Notes and calcultions on self energy.

Notes and calculations on Peierls' formalism.

Note with two references and calculations.

Notes and calculations.

Two references (M. Ostrogradski and J. Rayski).

List of names ([Pais], Bohr, Rosenfeld, Fierz, Pauli, Destouches).

Citation of a paper: Space-time representation and determinism.

Reference to G. V. T. Matthews: Bird navigation, Cambridge University Press, 1955.

Notes on a work by van der Waerden [Science Awakening ?]. Ancient Greece, mathematics.