SpringerLink (Online service) & Ball, J. A. (2012). Recent progress in operator theory and its applications. Springer Basel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpringerLink (Online service) और Joseph A. Ball. Recent Progress in Operator Theory and Its Applications. Basel: Springer Basel, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpringerLink (Online service) और Joseph A. Ball. Recent Progress in Operator Theory and Its Applications. Springer Basel, 2012.
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