%0 Journal Article %A S. I. Gaiduk %T Mathematical consideration of certain problems on longitudinal vibrations of composite beams consisting of elastic and viscoelastic parts %J Differencialʹnye uravneniâ %D 1966 %P 1630-1648 %V 2 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_12_a8/ %G ru %F DE_1966_2_12_a8