Akademii︠a︡ nauk SSSR. Spet︠s︡ialʹnai︠a︡ astrofizicheskai︠a︡ observatorii︠a︡
Spet︠s︡ialʹnai︠a︡ astrofizicheskai︠a︡ observatorii︠a︡ AN SSSR
Special Astrophysical Observatory (Akademii︠a︡ nauk SSSR)
Spetsialʹnaya astrofizicheskaya observatoriya (Akademii︠a︡ nauk SSSR)
Special Astrophysical Observatory--North Caucasus (Akademii︠a︡ nauk SSSR)
SAO
SAO AN SSSR