Pantsulaia, G., et al. “On the Separation Problem for a Family of Borel and Baire G -Powers of Shift Measures on R”. Ukrains’kyi Matematychnyi Zhurnal, vol. 65, no. 4, Apr. 2013, pp. 470-85, https://umj.imath.kiev.ua/index.php/umj/article/view/2432.