LISOVS, Aleksandrs. The exhibitions of Unovis art group in Vitebsk (1920-1922). ARTS AND MUSIC IN CULTURAL DISCOURSE. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, p. 188–194, 2012. DOI: 10.17770/amcd2012.1244. Disponível em: https://journals.ru.lv/index.php/AMCD/article/view/1244.. Acesso em: 20 jun. 2024.