Abstract
The paper by Woodward [Phys. Rev. A 62, 052105 (2000)] claimed to have proved that Lagrangian theories with a nonlocality of finite extent are necessarily unstable. In this Comment we propose that this conclusion is false.
- Received 11 January 2002
DOI:https://doi.org/10.1103/PhysRevA.67.016101
©2003 American Physical Society
