@article{IM2_1991_36_2_a6,
     author = {A. S. Merkur'ev and A. A. Suslin},
     title = {The norm residue homomorphism of degree~three},
     journal = {Izvestiya. Mathematics },
     pages = {349--367},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1991_36_2_a6/}
}