@article{RM_2008_63_3_a10,
     author = {V. Kh. Salikhov},
     title = {On the irrationality measure of~$\pi$},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {570--572},
     publisher = {mathdoc},
     volume = {63},
     number = {3},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2008_63_3_a10/}
}