On the general solution for the modified Emden type equation $\ddot{x}+αx\dot{x}+βx^3=0$
On the generalized integrable Chaplygin system
On the geometry of certain isospectral sets in the full Kostant-Toda lattice
On the Hamiltonian and Lagrangian structures of time-dependent reductions of evolutionary PDEs
On the heavenly equation hierarchy and its reductions
On the History of the Development of the Nonholonomic Dynamics
On the inconsistency of the Camassa-Holm model with the shallow water theory
On the initial value problem of a periodic box-ball system
On the Integrability of a Class of Nonlinear Dispersive Wave Equations
On the integrability of a generalized variable-coefficient Kadomtsev-Petviashvili equation
On the integrability of nonlinear partial differential equations
On the integrability of stationary and restricted flows of the KdV hierarchy.
On the Integrability, BÄcklund Transformation and Symmetry Aspects of a Generalized Fisher Type Nonlinear Reaction-Diffusion Equation
On the integrable inhomogeneous Myrzakulov I equation
On the Integration Theory of Equations of Nonholonomic Mechanics
On the inverse problem of calculus of variations
On the Lagrangian and Hamiltonian description of the damped linear harmonic oscillator
On the Lagrangian formulation of multidimensionally consistent systems
On the Lagrangian structure of 3D consistent systems of asymmetric quad-equations
On the Lagrangian structure of integrable quad-equations