Arithmetic of Elliptic Curves, Joseph H. Silverman (2009, 2nd ed., ISBN: 978-0-387-09493-9) Applications of Lie Groups to DifferentialEquations, Peter J.
Verlagsbuchhandlung, 1947) Arnold Sommerfeld, traducere de Ernest G. Straus, PartialDifferentialEquations in Physics – Lectures on Theoretical Physics Volume VI (Academic
Legătură externa în |journal= (ajutor) Geroch, Robert (1996), PartialDifferentialEquations of Physics, arXiv:gr-qc/9602055 |access-date= necesită |url=