1. M. A. Zhusupov and E. T. Ibraeva, Fiz. Élem. Chastits At. Yadra 31, 1427 (2000) [Phys. Part. Nucl. 31, 723 (2000)]; E. T. Ibraeva, Fiz. Élem. Chastits At. Yadra 34, 269 (2003) [Phys. Part. Nucl. 34, 133 (2003)].
2. M. A. Zhusupov, A. Yu. Zaĭkin, and E. T. Ibraeva, Izv. Akad. Nauk, Ser. Fiz. 69, 714 (2005).
3. M. A. Zhusupov, A. Yu. Zaĭkin, E. T. Ibraeva, and Sh. Sh. Sagindykov, Izv. Akad. Nauk, Ser. Fiz. 71, 804 (2007).
4. M. A. Zhusupov, A. Yu. Zaĭkin, E. T. Ibraeva, and Sh. Sh. Sagindykov, Izv. Akad. Nauk, Ser. Fiz. 72, 1072 (2008).
5. E. T. Ibraeva et al., in Proc. of the 58th Intern. Workshop on Nuclear Spectroscopy and Nuclear Structure Yadro-2008, Moscow, 2008, p. 228; E. T. Ibraeva et al., Izv. Akad. Nauk, Ser. Fiz. 73, 213 (2009).