scientific article; zbMATH DE number 3305115

zbMath0192.09203MaRDI QIDQ5586419

Changwen Liu, Li-Chien Chang

Publication date: 1964

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

PBIB designs

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Association schemes, strongly regular graphs (05E30)

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