Portnova, Tatiana. “Ballet of Paris Opera by E. Degas in the Light of Its Popularisation As Art and Interpretation of the Artist’s Creative Method”. Space and Culture, India 6, no. 4 (December 23, 2018): 84-92. Accessed January 20, 2019. http://spaceandculture.in/index.php/spaceandculture/article/view/381.