On the Nonlocal Equations and Nonlocal Charges Associated with the Harry Dym Hierarchy
On The Observability For Distributed Systems By Means Of Linear Operations
On the One Class of Hyperbolic Systems
On the point transformations for the equation $y''= P + 3Qy' + 3R{y'}^2 + S{y'}^3$
On the point transformations for the second order differential equations. I
On the r-th dispersionless Toda hierarchy I: Factorization problem, symmetries and some solutions
On the Rational Solutions of q-Painlevé V Equation
On the relation between multifield and multidimensional integrable equations
On the relation between the complex Toda and Volterra lattices
On the relationship between nonlinear equations integrable by the method of characteristics and equations associated with commuting vector fields
On the remarkable relations among PDEs integrable by the inverse spectral transform method, by the method of characteristics and by the Hopf-Cole transformation
On the simplest (2+1) dimensional integrable spin systems and their equivalent nonlinear Schrödinger equations
On the singular sector of the Hermitian random matrix model in the large N limit
On the solution of normality equations for the dimension $n\geq 3$
On the solutions of the dKP equation: nonlinear Riemann Hilbert problem, longtime behaviour, implicit solutions and wave breaking
On the solutions of the second heavenly and Pavlov equations
On the Spatial Asymptotics of Solutions of the Toda Lattice
On the spectral parameter problem
On the Steklov-Lyapunov case of the rigid body motion
On the String Equation of the BKP Hierarchy