On the Sign of Solutions of Systems of Ordinary Differential Equations

• Дата: 2002
• Автори: Kalinowski, J., Каліновський, Й.
• Формат: Стаття
• Мова: Англійська
• Опубліковано: Institute of Mathematics, NAS of Ukraine 2002
• Онлайн доступ: https://umj.imath.kiev.ua/index.php/umj/article/view/4166
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

We show that Theorems 1 and 3 in A. G. Gritsai's paper “Monotonicity properties of solutions of systems of nonlinear differential equations” published in the collection of works Approximate and Qualitative Methods in the Theory of Differential and Functional Differential-Equations (Institut...