@article{MZM_2010_88_4_a6,
     author = {Yu. V. Nesterenko},
     title = {On the {Irrationality} {Exponent} of the {Number} $\ln2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {549--564},
     publisher = {mathdoc},
     volume = {88},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_88_4_a6/}
}