Higher derivative extensions of 3d Chern–Simons models: conservation laws and stabilityD. S. Kaparulin, I. Yu. Karataeva and S. L. LyakhovichEur. Phys. J. C, 75 11 (2015) 552DOI: https://doi.org/10.1140/epjc/s10052-015-3790-1