On limit-point and separation criteria for linear differential expressions
On linear problems in the space BV
On lower-semicontinuity of variational integrals
On nonlinear elliptic equations in infinite cylinders
On one system of nonlinear equations
On properties of spectral approximations
On regularity of solutions to some problems of mathematical physics
On some boundary value problems for systems of nonlinear ordinary differential equations
On some inverse problems for partial differential equations
On some problems of the theory of the difference schemes
On some qualitative methods for systems of ordinary diferential equations in the large
On some recent results on the numerical problems in semiconductor device simulation
On some semilinear Volterra diffusion equations arising in ecology
On some singular boundary value problems for ordinary differential equations
On some stability problems
On the approximation of eigenvalues of non-selfadjoint operators
On the approximation of solenoidal and potential vector fields
On the behaviour of the generalized solution of the biharmonic equation in two dimensions near singular point of the boundary
On the branching of solutions and Signorini's perturbation procedure in elasticity
On the convergence of solutions of random differential equations