@article{SJC_2013_7_3_a2,
     author = {Grigorova, Denitsa and Encheva, Elitsa and Gueorguieva, Ralitza},
     title = {Em {Algorithm} for {MLE} of a {Probit} {Model} for {Multiple} {Ordinal} {Outcomes}},
     journal = {Serdica Journal of Computing},
     pages = {227--244},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2013_7_3_a2/}
}