@article{10_14708_ma_v6i12_1323,
     author = {I. Francis},
     title = {Factor analysis. {Fact} or fabrication},
     journal = {Mathematica Applicanda},
     pages = { 91--117},
     year = {1978},
     volume = {6},
     number = {12},
     doi = {10.14708/ma.v6i12.1323},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v6i12.1323/}
}