@article{Gampe_14_3, author = {Gampe, Jutta and Yashin, Anatoli}, title={{Two proofs of a recent formula by Griffith Feeney}}, journal = {Demographic Research}, volume = {14}, number = {3}, pages = {47--50}, doi = {10.4054/DemRes.2006.14.3}, year = {2006}, abstract = {This reflexion provides two mathematical proofs for Equation (1) in Feeney (2006), published in this journal as 14-2.}, URL = {https://www.demographic-research.org/volumes/vol14/3/}, eprint = {https://www.demographic-research.org/volumes/vol14/3/14-3.pdf} }