> Egor Gaidar [1] is an excellent source

This is published in English as [1] Yegor Gaidar, "Collapse of an Empire: Lessons for Modern Russia".

TLDR is maybe this [2] write-up of a talk, 8 pages, very interesting.

[1] https://www.amazon.com/Collapse-Empire-Lessons-Modern-Russia...

[1] https://www.aei.org/wp-content/uploads/2011/10/20070419_Gaid...