@article{TM_2003_240_a1,
     author = {V. A. Iskovskikh},
     title = {b-Divisors and {Functional} {Algebras} {According} to {Shokurov}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {8--20},
     year = {2003},
     volume = {240},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2003_240_a1/}
}