@article{VMUMM_1987_3_a1,
     author = {Yu. V. Nesterenko},
     title = {On the number $\pi$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {7--10},
     publisher = {mathdoc},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_3_a1/}
}