Britta Schinzel. Decomposition of Gödelnumberings into Friedbergnumberings. Math. Log. Q., 23(25-26):393-399, 1977. [doi]
@article{Schinzel77-0, title = {Decomposition of Gödelnumberings into Friedbergnumberings}, author = {Britta Schinzel}, year = {1977}, doi = {10.1002/malq.19770232505}, url = {http://dx.doi.org/10.1002/malq.19770232505}, researchr = {https://researchr.org/publication/Schinzel77-0}, cites = {0}, citedby = {0}, journal = {Math. Log. Q.}, volume = {23}, number = {25-26}, pages = {393-399}, }