Shakhovskoy, D., and R. Sadykov. “Imaging Polarimeter for the 2.6 M Shajn Telescope. Technical Considerations and Draft Specifications”. Acta Astrophysica Taurica, vol. 5, no. 3, Sept. 2024, pp. 33-34, https://astrophysicatauricum.org/index.php/aat/article/view/89.