Lie symmetry analysis of the Hopf functional-differential equation
Published in Symmetry, 2015 by Janocha, Waclawczyk & Oberlack.
This publication is seriously flawed. Apart from numerous mathematical errors, this study is entirely inconsistent.
Details and corrections are given in http://dx.doi.org/10.3390/sym8040023
and more comprehensively in https://doi.org/10.5281/zenodo.1101170.
and more comprehensively in https://doi.org/10.5281/zenodo.1101170.