Movement in a Flat Strip of Plasma (IMAGE) RUDN University Caption RUDN University mathematician for the first time proved the theorem of existence and uniqueness of solutions of the Zakharov-Kuznetsov equation in a strip. Credit ©RUDN (you are free to use the picture with appropriate credits) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.