%0 Journal Article %A M. S. Agranovich %A G. V. Rozenblum %T Spectral boundary problems for Dirac systems with a singular potential %J Algebra i analiz %D 2004 %P 33-69 %V 16 %N 1 %U http://geodesic.mathdoc.fr/item/AA_2004_16_1_a2/ %G ru %F AA_2004_16_1_a2