@article{DM_2013_25_4_a7,
     author = {E. A. Karatsuba},
     title = {Fast {Catalan} constant computation via the approximations obtained by the {Kummer's} type transformations},
     journal = {Diskretnaya Matematika},
     pages = {74--87},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2013_25_4_a7/}
}