@article{VMUMM_1992_2_a1,
     author = {S. O. Shestakov},
     title = {On the measure of algebraic independence of some numbers},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {8--12},
     year = {1992},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a1/}
}