%0 Journal Article %A V. Ya. Yakubov %T Attainability of sharp estimates, and a~different order of growth of normalized vector-valued eigenfunctions of spectral boundary-value problems for systems of Dirac type %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1993 %P 254-255 %V 48 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1993_48_4_a10/ %G en %F RM_1993_48_4_a10