1. Set Theory and the Continuum Hypothesis;Cohen,1966
2. Ehrenfest, P.A. (1917). “In what ways does it become manifest in the fundamental laws of physics that space has three dimensions?”, in P.A. Ehrenfest, Collected Scientific Papers, North-Holland Publishing Co., Amsterdam 1959; the laws of gravitation and planetary motion, the dualism of “translation-rotation, force-pair of forces, electric field-magnetic field,” and the “integrals of the equations of vibration” make sense only in three-dimensional space.
3. Feynman, R.P. (1942). The Principle of Least Action in Quantum Mechanics, doctoral dissertation, Princeton University.
4. Quantum Mechanics and Path Integrals;Feynman,1965
5. “Über formal unentscheidbare Sätze der Principia Mathematica und verwardte Systeme I,”;Gödel;Monatsch. Math. Phys.,1931