SARTABANOV, Z.; OMAROVA, B.; KERIMBEKOV, A. RESEARCH OF MULTIPERIODIC SOLUTIONS OF PERTURBED LINEAR AUTONOMOUS SYSTEMS WITH DIFFERENTIATION OPERATOR ON THE VECTOR FIELD. Academic Scientific Journal of Computer Science, [S. l.], n. 1, p. 5–13, 2020. Disponível em: http://89.250.84.46/physics-mathematics/article/view/386. Acesso em: 13 дек. 2025.