Não informado. (1972). Problems of Control and Information Theory. Academy of Sciences of the USSR. Hungarian Academy of Sciences.
Chicago-referens (17:e uppl.)Não informado. Problems of Control and Information Theory. Budapest: Academy of Sciences of the USSR. Hungarian Academy of Sciences, 1972.
MLA-referens (8:e uppl.)Não informado. Problems of Control and Information Theory. Academy of Sciences of the USSR. Hungarian Academy of Sciences, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.