%0 Journal Article %A S. R. Baslandze %A I. T. Kiguradze %T On the unique solvability of a periodic boundary value problem for third-order linear differential equations %J Differencialʹnye uravneniâ %D 2006 %P 153-158 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2006_42_2_a1/ %G ru %F DE_2006_42_2_a1