Operators and Matrices · Volume 12, Issue 4 Bessel property and basicity of the system of root vector-functions of Dirac operator with summable coefficient 12-57 Pages 943-954 DOI 10.7153/oam-2018-12-57 Downloads Short PDF Full PDF PNG Authors Vali M. Kurbanov Afsana M. Abdullayeva Keywords Dirac operator unconditional basicity root vector-functions Bessel property Subject classes 34L10 34L20 34B05 34B24