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2016
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A. A. Gimaltdinova, K. V. Kurman, “Boundary problem for Lavrent'ev–Bitsadze equation with two internal lines of change of a type”, Izv. Vyssh. Uchebn. Zaved. Mat., 2016, no. 3, 23–37; Russian Math. (Iz. VUZ), 60:3 (2016), 18–31
2015
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A. A. Gimaltdinova, “The Dirichlet problem for mixed type equation with two lines of degeneracy in a rectangular area”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 19:4 (2015), 634–649
A. A. Gimaltdinova, K. V. Kurman, “On the completeness of a pair of biorthogonally conjugated systems of functions”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 19:1 (2015), 7–18
A. A. Gimaltdinova, “Tricomi problem for a mixed type equation with two lines of type changing in a special area”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(30) (2013), 46–52
K. B. Sabitov, A. A. Karamova, “Solution of a Gasdynamic Problem for an Equation of Mixed Type with Nonsmooth Degeneration Line”, Differ. Uravn., 38:1 (2002), 111–116; Differ. Equ., 38:1 (2002), 120–126
K. B. Sabitov, A. A. Karamova, “Spectral properties of solutions of the Tricomi problem for equations of mixed type with two lines of degeneracy, and their applications”, Izv. RAN. Ser. Mat., 65:4 (2001), 133–150; Izv. Math., 65:4 (2001), 769–785
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