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On the orbits of collineation groups. (English) Zbl 0163.42304


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[1] Block, R. E.: Transitive groups of collineations on certain designs. Pacific J. Math.15, 13-18 (1965). · Zbl 0132.25203
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[10] ?: Collineations and generalized incidence matrices. Trans. Amer. Math. Soc.86, 284-296 (1957). · Zbl 0078.34102 · doi:10.1090/S0002-9947-1957-0093730-4
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[12] Parker, E. T.: On collineations of symmetric designs. Proc. Amer. Math. Soc.8, 350-351 (1957). · Zbl 0091.32502 · doi:10.1090/S0002-9939-1957-0086319-X
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