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"A three-class association scheme on the flags of a finite projective plane ..."
I. M. Chakravarti (1993)
- I. M. Chakravarti:
A three-class association scheme on the flags of a finite projective plane and a (PBIB) design defined by the incidence of the flags and the Baer subplanes in PG(2, q2). Discret. Math. 120(1-3): 249-252 (1993)
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