This definition appears somewhat frequently
See other definitions of RAN
Samples in periodicals archive:
Izvestiya: Mathematics is the English edition of the Russian bimonthly journal Izvestiya Rossiiskoi Akademii Nauk, Seriya Matematicheskaya, founded in 1937.
Russian Metallurgy (Metally) (Izvestiya Rossiiskoi akademii nauk. Metally) publishes original experimental and theoretical investigations, as well as reviews and...