# Square integer Heffter arrays with empty cells

> Research article (Designs Codes and Cryptography, 2015) · cited 41× · AI/ML

**Wikidata**: [openalex:W1952453666](https://www.wikidata.org/wiki/openalex:W1952453666)  
**Source**: https://4ort.xyz/entity/square-integer-heffter-arrays-with-empty-cells
