Vestnik of Samara State Technical University. Technical Sciences SeriesVestnik of Samara State Technical University. Technical Sciences Series1991-85422712-8938Samara State Technical University1961210.14498/tech.2011.4.%uPamyati Ivana Sergeevicha Volkova, rektora Kuybyshevskogo politekhnicheskogo institutaBarsovaA A-151220111946910022020Copyright © 2011, Samara State Technical University2011