Valentin Churavy. (2025). The Euler-Lagrange equations. https://vchuravy.dev/notes/2025/05/lagrangian_ode/
@misc{churavy2025:lagrangianode,
author = {Churavy, Valentin},
title = {The Euler-Lagrange equations},
year = {2025},
date = {2025-05-16},
url = {https://vchuravy.dev/notes/2025/05/lagrangian_ode/},
}