For citations:
Kudryashov N.A. Dynamical System for the Nonlinear Fourth-Order Differential Equation from the K2 Hierarchy. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2020;9(6):517-520. (In Russ.) https://doi.org/10.1134/S2304487X2006005X