@article{10_1023_A_1023215001376,
     author = {Oktaba, Wiktor},
     title = {Characterization of the multivariate {Gauss-Markoff} model with singular covariance matrix and missing values},
     journal = {Applications of Mathematics},
     pages = {119--131},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {1998},
     doi = {10.1023/A:1023215001376},
     mrnumber = {1609162},
     zbl = {0937.62067},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1023215001376/}
}