TY - JOUR A1 - Gampe, Jutta A1 - Yashin, Anatoli T1 - Two proofs of a recent formula by Griffith Feeney Y1 - 2006/01/26 JF - Demographic Research JO - Demographic Research SN - 1435-9871 SP - 47 EP - 50 DO - 10.4054/DemRes.2006.14.3 VL - 14 IS - 3 UR - https://www.demographic-research.org/volumes/vol14/3/ L1 - https://www.demographic-research.org/volumes/vol14/3/14-3.pdf L2 - https://www.demographic-research.org/volumes/vol14/3/14-3.pdf N2 - This reflexion provides two mathematical proofs for Equation (1) in Feeney (2006), published in this journal as 14-2. ER -