TY - JOUR AU - E. N. Galushina TI - On a double series representation of $\pi$ JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2016 SP - 3 EP - 11 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIGUM_2016_17_a0/ LA - ru ID - IIGUM_2016_17_a0 ER -