@article{TVP_1990_35_1_a21,
     author = {H.-J. Rossberg},
     title = {Positive definite probability densities},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {179--184},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_1990_35_1_a21/}
}