@article{VMUMM_1993_6_a16,
     author = {A. K. Dubickas},
     title = {On improving the approximation of $\pi\sqrt3$ by rational fractions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {76--77},
     publisher = {mathdoc},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_6_a16/}
}