Ingerman, Peter Zilahy (March 1967). ""Pāṇini-Backus Form" Suggested". Communications of the ACM. 10 (3). Association for Computing Machinery: 137. doi:10.1145/363162.363165. S2CID52817672. Ingerman suggests that the Backus Normal Form be renamed to the Pāṇini-Backus Form, to give due credit to Pāṇini as the earliest independent inventor.
"Online demo", RPatk, archived from the original on 2012-11-02, retrieved 2011-07-03
semanticscholar.org
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Ingerman, Peter Zilahy (March 1967). ""Pāṇini-Backus Form" Suggested". Communications of the ACM. 10 (3). Association for Computing Machinery: 137. doi:10.1145/363162.363165. S2CID52817672. Ingerman suggests that the Backus Normal Form be renamed to the Pāṇini-Backus Form, to give due credit to Pāṇini as the earliest independent inventor.