ANDREIEVA, Y. A.; BURYACHENKO, K. O. ANALOG OF MAXIMUM PRINCIPLE FOR THE WAVE PROCESSES. Cherkasy University Bulletin: Physical and Mathematical Sciences, [S. l.], v. 1, n. 1, p. 61–70, 2022. DOI: 10.31651/2076-5851-2022-61-69. Disponível em: https://phys-ejournal.cdu.edu.ua/article/view/4880. Acesso em: 25 may. 2026.