%0 Journal Article %A V. G. Nikitin %T Adjoint operator of the periodic problem for linear differential equations with deviating arguments %J Issledovaniya po Prikladnoi Matematike i Informatike %D 1984 %P 190-195 %V 10 %N 10 %U http://geodesic.mathdoc.fr/item/KUIPM_1984_10_10_a20/ %G ru %F KUIPM_1984_10_10_a20