Prosviryakov&nbsp;E.Yu.        Exact solutions to generalized plane Beltrami–Trkal and Ballabh flows // VESTNIK SAMARSKOGO GOSUDARSTVENNOGO TEKHNICHESKOGO UNIVERSITETA-SERIYA-FIZIKO-MATEMATICHESKIYE NAUKI. 2020. Vol. 24.  No. 2. P. 319-330. DOI: https://doi.org/10.14498/vsgtu1766.<br> <img src='/images/wos.gif' width='86' height='16' align='absbottom' alt='WoS' title='Web of Science'>&nbsp;<br><p><input type='button' value=' назад ' onclick='history.back(-1)'>