@article{DMPS_2006_26_2_a3,
     author = {St\k{e}pniak, Czes{\l}aw},
     title = {Inverting covariance matrices},
     journal = {Discussiones Mathematicae. Probability and Statistics},
     pages = {163--177},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2006},
     zbl = {1132.15006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMPS_2006_26_2_a3/}
}