@article{MZM_1988_43_2_a3,
     author = {\`E. S. Belinskii and I. R. Liflyand},
     title = {Behavior of the {Lebesgue} constants of hyperbolic partial sums},
     journal = {Matemati\v{c}eskie zametki},
     pages = {192--196},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_2_a3/}
}