%0 Journal Article %A A. M. Savchuk %A I. V. Sadovnichaya %T On the existence of an operator group generated by the one-dimensional Dirac system %J Trudy Moskovskogo matematičeskogo obŝestva %D 2019 %P 275-294 %V 80 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_2019_80_2_a8/ %G ru %F MMO_2019_80_2_a8