University of Illinois (Urbana-Champaign campus)\nUniversity of Illinois at Urbana-Champaign. (1957). Illinois Journal of Mathematics. University of Illinois Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Illinois (Urbana-Champaign campus)\nUniversity of Illinois at Urbana-Champaign. Illinois Journal of Mathematics. Urbana, Ill: University of Illinois Press, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Illinois (Urbana-Champaign campus)\nUniversity of Illinois at Urbana-Champaign. Illinois Journal of Mathematics. University of Illinois Press, 1957.
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