@article{GDZPPN002462567,
title = {On Existence and Uniqueness of Maximum Likelihood Estimates in Quantal and Ordinal Response Models.},
journal = {Metrika},
volume = {35},
year = {1988},
pages = {291-313},
zbl = {0671.62053},
url = {http://dml.mathdoc.fr/item/GDZPPN002462567}
}
Kaufmann, H. On Existence and Uniqueness of Maximum Likelihood Estimates in Quantal and Ordinal Response Models.. Metrika, Tome 35 (1988) pp. 291-313. http://gdmltest.u-ga.fr/item/GDZPPN002462567/