Valois, Paul (July 1988). "The Founding of the BCPS". The Problemist. pp. 432–434.
Valois, Paul (July 1988). "The Founding of the BCPS". The Problemist. pp. 432–434.
Valois, Paul (July 1988). "The Founding of the BCPS". The Problemist. pp. 432–434.
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