@article{10_14708_ma_v20i34_1783,
     author = {Urszula Luboi\'nska and Wojciech Niemiro},
     title = {On inference concerning binary latent trait},
     journal = {Mathematica Applicanda},
     pages = { 23--36},
     year = {1991},
     volume = {20},
     number = {34},
     doi = {10.14708/ma.v20i34.1783},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v20i34.1783/}
}