@article{KYB_2007__43_3_a4,
     author = {Ln\v{e}ni\v{c}ka, Radim and Mat\'u\v{s}, Franti\v{s}ek},
     title = {On {Gaussian} conditional independence structures},
     journal = {Kybernetika},
     pages = {327--342},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {2007},
     mrnumber = {2362722},
     zbl = {1144.60302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2007__43_3_a4/}
}