Não informado. (1972). Problems of Control and Information Theory. Academy of Sciences of the USSR. Hungarian Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Problems of Control and Information Theory. Budapest: Academy of Sciences of the USSR. Hungarian Academy of Sciences, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Problems of Control and Information Theory. Academy of Sciences of the USSR. Hungarian Academy of Sciences, 1972.
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