and with an eigenvalue .
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Received: October 2, 1995/Revised: Revised November 26, 1997
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Koolen, J. The Distance-regular Graphs with Intersection Number and with an Eigenvalue . Combinatorica 18, 227–234 (1998). https://doi.org/10.1007/PL00009818
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- AMS Subject Classification (1991) Classes: 05C