@article{RM_2004_59_1_a6,
     author = {A. A. Borovkov},
     title = {Kolmogorov and boundary problems of probability theory},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {91--102},
     year = {2004},
     volume = {59},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2004_59_1_a6/}
}