%0 Journal Article %A S. M. Chujko %T Boundary-value problem for a differential-algebraic system with constant delay with variable rank of leading coefficient matrix %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2022 %P 67-78 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2022_6_a6/ %G ru %F IVM_2022_6_a6