Transport in helical Luttinger liquid with Kondo impurities Oleg M. Yevtushenko, Ari Wugalter, Vladimir I. Yudson and Boris L. Altshuler EPL, 112 5 (2015) 57003 Published online: 30 December 2015 DOI: 10.1209/0295-5075/112/57003