Ni S. RESPONSE SOLUTIONS OF 2-DIMENSIONAL ELLIPTIC DEGENERATE QUASI-PERIODIC SYSTEMS WITH SMALL PARAMETERS: Song Ni, 2024 Volume 2024, pp. 19. mijst [Internet]. 2024 Mar. 15 [cited 2024 May 17];:19. Available from: https://www.grdspublishing.org/index.php/matter/article/view/2424