On symmetries and averaging of the G-equation for premixed combustion
This paper by Oberlack, Wenzel & Peters (Combustion Theory and Modelling, 2001) is misleading and flawed.
Details to http://www.tandfonline.com/doi/abs/10.1088/1364-7830/5/3/307 are given in
http://journals.sagepub.com/doi/abs/10.1260/1756-8277.2.4.301
https://publons.com/publon/18141606/#review-4089011