@article{MZM_1968_4_5_a4,
     author = {A. A. Shmelev},
     title = {On algebraic independence of some numbers},
     journal = {Matemati\v{c}eskie zametki},
     pages = {525--532},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_5_a4/}
}