ASHUROVA , Z. R.; JURAEVA , M. Y.; ORZIYEVA , S. X. THESE RESULTS ARE THE ANSWERS TO THE PROBLEM PROPOSED BY E.M.LANDIS FOR 2-ORDERED POLYHARMONIC FUNCTIONS. RESEARCH AND EDUCATION, [S. l.], v. 3, n. 5, p. 102–109, 2024. Disponível em: https://researchedu.org/index.php/re/article/view/6366. Acesso em: 23 nov. 2024.