1. A. P. Abdullaev and A. B. Burmistrova, “On the scheme of investigation of the solvability of resonance boundary-value problems,” Izv. Vyssh. Uchebn. Zaved. Math., No. 11 (1996).
2. A. P. Abdullaev and A. B. Burmistrova, "On the solvability of boundary value problems in the resonance case," Differ. Uravn., 25, No. 12, 2044-2048 (1989)
3. English translation: Differ. Equ., 25, No. 12, 1439-1442 (1989).
4. A. P. Abdullaev and A. B. Burmistrova, "On the generalized Green operator and solvability of resonance problems," Differ. Uravn., 26, No. 11, 1860-1864 (1990)
5. English translation: Differ. Equ., 26, No. 11, 1374-1377 (1990).