Every reference with a DOI in the deposited reference list resolved to a known
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The 6 references without a DOI — listed, not checked
no DOI — not checkedArtin, E. (1964) The Gamma Function, translated by M. Butler, Holt, Reinhart and Winston, New York.
no DOI — not checkedDanzer, L., Grünbaum, B. and Klee, V. (1963). Helly's theorem and its relatives, Proc. of Sympos. Pure Math., 7, 100?181.
no DOI — not checkedErdös, P. and Füredi, Z. (1983). The greatest angle among n points in the d-dimensional Euclidean space, Ann. Discrete Math., 17, 275?283.
no DOI — not checkedMoran, P. A. P. (1968). An Introduction to Probability Theory, Clarendon Press, Oxford.
no DOI — not checkedWatson, S. (1983). Random points on hyperspheres, in Stochastic Geometry, Geometric Statistic and Stereology, Oberwolfach Conf., Teubner-Texte Math., 65, 225?232.
no DOI — not checkedWilks, S. S. (1962). Mathematical Statistics, Wiley, New York.
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