Gibbons, J. (1996). Computing downwards accumulations on trees quickly.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGibbons, J. Computing Downwards Accumulations on Trees Quickly. 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGibbons, J. Computing Downwards Accumulations on Trees Quickly. 1996.
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