E-viri
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Schaumberger, Norman; Geller, S. C.; Waterhouse, W. C.; Gibbs, Richard A.; McCravy, Edwin P.; Rabinowitz, Stanley; Klamkin, M. S.; Trigg, Charles W.; Johnsonbaugh, Richard; Rangarajan, R.; Penner, Sidney; Just, Erwin; Good, I. J.; Bankoff, Leon; Konecny, Vaclav; Goldberg, Michael; McVoy, J. Michael; Glaser, Anton; Gibbs, R. A.; Wayne, Alan; Elsner, Thomas E.; Beidler, John; Kravitz, Sidney; Litchfield, Kay P.; Sholander, Marlow; Guy, Robert; Greening, M. G.; Page, Warren; Gregory, M. B.
Mathematics magazine, 05/1975, Letnik: 48, Številka: 3Magazine Article
