@article{CMFD_2015_58_a7,
     author = {A. M. Savchuk and I. V. Sadovnichaya},
     title = {The {Riesz} basis property with brackets for {Dirac} systems with summable potentials},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {128--152},
     publisher = {mathdoc},
     volume = {58},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2015_58_a7/}
}