%0 Journal Article %A E. I. Bravyi %T On the solvability of the periodic boundary value problem for a~linear functional differential equation %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2009 %P 12-24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2009_3_a1/ %G ru %F VUU_2009_3_a1