Wikipedia:Articles for deletion/Secession in Russia (2nd nomination)
The sources are largely scholarly and ref 1, which is directly on this subject, has a section "Review of recent literature" (google translate) which shows that there is a body of scholarly literature on this.  Those participants who have failed to find sources in Engish should read 
— User:Spinningspark, 00:40, 2 September 2018 (UTC)
Stance: keep
Cited policy: WP:NOENG (Wikipedia:Verifiability)