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- [23] POINCARE PROBLEM FOR A SECOND-ORDER ELLIPTIC EQUATION WITH SINGULAR COEFFICIENTS DOKLADY AKADEMII NAUK SSSR, 1962, 146 (05): : 995 - &
- [30] Impulse elimination for singular second-order system : approach 2021 IEEE IFAC INTERNATIONAL CONFERENCE ON AUTOMATION/XXIV CONGRESS OF THE CHILEAN ASSOCIATION OF AUTOMATIC CONTROL (IEEE IFAC ICA - ACCA2021), 2021,