[1] RAS, Inst Linguist, Res Ctr Ethn & Language Relat, 1 Bld 1 Bolshoy Kislovsky Lane, Moscow 125009, Russia
[2] Tuvan Inst Humanities & Appl Social & Econ Res Gov, 4 Kochetov St, Kyzyl 667000, Russia
[3] RAS, Inst Linguist, Res Ctr Preservat Revitalizat & Documentat Languag, 1 Bld 1 Bolshoy Kislovsky Lane, Moscow 125009, Russia
[4] Russian Armenian Slavonic Univ, Dept Russian Language & Profess Commun, Inst Humanities, 123 Hovsep Emin St, Yerevan 0051, Armenia
[5] Russian Armenian Slavonic Univ, Russian Studies Ctr, 123 Hovsep Emin St, Yerevan 0051, Armenia