@article{VMUMM_1993_4_a15,
     author = {O. Yu. Aristov},
     title = {Nontriviality of the second cohomology of some weakly amenable {Banach} algebras},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {71--74},
     publisher = {mathdoc},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a15/}
}