@article{IM2_2003_67_1_a7,
     author = {A. A. Razborov},
     title = {Quantum communication complexity of symmetric predicates},
     journal = {Izvestiya. Mathematics },
     pages = {145--159},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2003_67_1_a7/}
}