%0 Journal Article %A L. E. Zabello %T On the question of the uniqueness of Pontryagin extremals in linear systems with delay.~I %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 38-45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_2_a6/ %G ru %F IVM_1981_2_a6