@article{Elandt-Johnson1976,
author = {Elandt-Johnson, R.C.},
title= {Conditional failure time distributions under competing risk theory with dependent failure times and proportional hazard rates},
year = {1976},
doi = {10.1080/03461238.1976.10405934},
volume = {1976},
number = {1},
pages = {37--51},
}