Shmelev A. D. Codification of the Russian Orthography and Capitalization of Personal Proper Names: Is There Any Problem?
Russian Speech. 2020. № 4, Pages. 42 - 53

Elena V. Arutyunova. Orthographycal Options in Usus. And in the Rule?
Russian Speech. 2019. № 3, Pages. 7 - 19