%0 Journal Article
%A M. J. Alves
%A S. M. Labovski
%T On the spectral properties and positivity of solutions of a periodic boundary value problem for a second-order functional differential equation
%J Vestnik rossijskih universitetov. Matematika
%D 2020
%P 123-130
%V 25
%N 130
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VTAMU_2020_25_130_a1/
%G ru
%F VTAMU_2020_25_130_a1