Labovskiy, Sergey (2020) On discreteness of spectrum of a second order differential operator. Electronic Journal of Qualitative Theory of Differential Equations, 2020 (52). pp. 1-9. ISSN 1417-3875
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      Official URL: https://doi.org/10.14232/ejqtde.2020.1.52
    
  
  
  | Item Type: | Article | 
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| Subjects: | Q Science / természettudomány > QA Mathematics / matematika | 
| Depositing User: | Kotegelt Import | 
| Date Deposited: | 22 Apr 2021 14:15 | 
| Last Modified: | 21 Mar 2022 15:35 | 
| URI: | http://real.mtak.hu/id/eprint/124365 | 
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