# Bruck–Ryser–Chowla theorem

> a result on the combinatorics of block designs

**Wikidata**: [Q2226624](https://www.wikidata.org/wiki/Q2226624)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bruck–Ryser–Chowla_theorem)  
**Source**: https://4ort.xyz/entity/bruck-ryser-chowla-theorem