Fatibene, L
Garruto, S https://orcid.org/0000-0003-1736-3230
Journal title: Classical and Quantum Gravity
Article type: paper
Article title: Principal symbol of Euler–Lagrange operators
Copyright information: © 2016 IOP Publishing Ltd
Publication dates
Date received: 2016-03-21
Date accepted: 2016-06-08
Online publication date: 2016-06-23