@article{RM_1990_45_5_a21,
     author = {A. S. Tikhomirov and V. V. Shokurov},
     title = {Workshop on algebraic geometry},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1990_45_5_a21/}
}