Dzhabrailov M., “On Coercive Solvability of Differential-Operator Equations in Besov Type Spaces”, Dokl. Akad. Nauk, 359:3 (1998), 301–303
В. В. Корниенко, “К спектрам иррегулярных операторных уравнений первого порядка”, Матем. сб., 188:8 (1997), 103–124 ; V. V. Kornienko, “On the spectra of first order irregular operator equations”, Sb. Math., 188:8 (1997), 1213–1234
Sabziev E., “The Weight Dirichlet Problem for a Strongly Degenerate Ordinary Equation”, Differ. Equ., 31:4 (1995), 675–679
Н. М. Ятаев, “Однозначная разрешимость некоторых краевых задач для вырождающихся операторных уравнений третьего порядка”, Матем. заметки, 54:1 (1993), 136–150 ; N. M. Yataev, “Unique solvability of certain boundary-value problems for degenerate third order operational equations”, Math. Notes, 54:1 (1993), 754–763
Sabziev E., “Weighted Boundary-Value-Problems for Strongly Degenerate Equations”, Differ. Equ., 28:12 (1992), 1813–1815
Shakhmurov V., Babayev A., “Coercive Problems for Equation with Parameters”, 315, no. 1, 1990, 37–40
Shakhmurov V., “Imbedding Theorems and their Applications to Degenerate Equations”, Differ. Equ., 24:4 (1988), 475–482
Yataev N., “Degenerate 3rd-Order Differential-Operational Equations”, Differ. Equ., 24:3 (1988), 340–344
В. Б. Шахмуров, “Теоремы вложения абстрактных функциональных пространств и их применения”, Матем. сб., 134(176):2(10) (1987), 260–273 ; V. B. Shakhmurov, “Imbedding theorems for abstract function spaces and their applications”, Math. USSR-Sb., 62:1 (1989), 261–276
Tepoyan L., “Singular 4th-Order Differential-Operational Equations”, Differ. Equ., 23:8 (1987), 930–939