@article{MZM_2004_75_5_a14,
     author = {M. T. Karaev},
     title = {New {Proofs} of the {Haagerup{\textendash}de} la {Harpe} {Inequality}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {787--788},
     year = {2004},
     volume = {75},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_5_a14/}
}