https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en
https://progressivepost.eu/can-we-have-a-political-debate-on-the-economic-union-we-want/
http://www.ips-journal.eu/regions/europe/article/show/lessons-for-the-left-2270/