@misc{Vetčinkin_Vladimir_Petrovič_(1888–1950)_Novye_1949,
 author={Vetčinkin, Vladimir Petrovič (1888–1950)},
 editor={Kogan, F. M.},
 copyright={Public Domain},
 address={Moskva52983},
 address={Leningrad},
 howpublished={online},
 year={1949},
 publisher={Gosudarstvennoe Izd-vo Tehniko-Teoretičeskoj Literatury},
 language={rus},
 title={Novye formuly čislennyh kvadratur},
 type={Text},
 URL={http://rcin.org.pl/Content/58635/PDF/WA35_78633_0613brosz_Novye-formuly.pdf},
}