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- [5] Asymptotic behavior of spectral functions of the differential operators −y″−εx2y Mathematical Notes, 1998, 63 : 264 - 268
- [6] ISOTOPIC EFFECT IN LINEAR X2Y MOLECULES IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA, 1977, (04): : 54 - 58
- [8] Effective Dipole Moment of Rotational Transitions of X2Y Molecules Starikov, V.I., 1600, Optical Society of America (91):