@article{TM_2003_240_a0,
     author = {V. A. Iskovskikh and V. V. Shokurov},
     title = {Preface},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {5--7},
     publisher = {mathdoc},
     volume = {240},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2003_240_a0/}
}