@article{TVP_2007_52_1_a5,
     author = {O. E. Barndorff-Nielsen and V. P\'erez-Abreu},
     title = {Matrix subordinators and related {Upsilon} transformations},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {84--110},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TVP_2007_52_1_a5/}
}