@article{05822130, title = {On the existence and uniqueness of the maximum likelihood estimators of normal and lognormal population parameters with grouped data.}, journal = {Journal of Probability and Statistics}, volume = {2009}, year = {2009}, doi = {10.1155/2009/310575}, zbl = {1201.62033}, language = {en}, url = {http://dml.mathdoc.fr/item/05822130} }
Xia, Jin; Mi, Jie; Zhou, Yanyan. On the existence and uniqueness of the maximum likelihood estimators of normal and lognormal population parameters with grouped data.. Journal of Probability and Statistics, Tome 2009 (2009) . doi : 10.1155/2009/310575. http://gdmltest.u-ga.fr/item/05822130/