A. T. Bulabaev, L. A. Shuster, “On the theory of Sturm–Liouville difference equations”, Dokl. Akad. Nauk SSSR, 309:3 (1989), 521–524; Dokl. Math., 40:3 (1990), 525–528
2.
A. T. Bulabaev, M. Otelbaev, L. A. Shuster, “Properties of Green's function of the Sturm–Liouville operator and their applications”, Differ. Uravn., 25:7 (1989), 1107–1114; Differ. Equ., 25:7 (1989), 773–779
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