# Mathematics

## On the transmutation of the Lions operator to the simplest form

## On the unconditional bases of cores generated by differential equations of the second order

## Exact solutions of spectral problems for the Schrödinger operator on (–∞, ∞) with polynomial potential obtained via the FD-method

## Initial-boundary value problem for doubly nonlinear integro-differential equations with variable exponents of nonlinearity

## Approximation of 2π-periodic functions by Taylor—Abel—Poisson operators in the integral metric

## Semilinear equations in a plane and quasiconformal mappings

## Exact solutions of a spectral problem for the schrödinger differential operator with polynomial potential in R^{2}

^{2}. 2017 ;(1):3-9.