Nonlocal Estimates of First Derivatives of the Solutions of the Initial-Boundary Problem for Nonuniformly Elliptic and Nonuniformly Parabolic Nondivergent Equations.- Some Remarks on The Convergence of Sequences of Functions of Polynomial Type in Wpl(G) Spaces.- Initial-Boundary Problem for Navier—Stokes Equations in Domains with Time-Varying Boundaries.- On Some Classes of Nonuniformly Elliptic Equations.- Expansions in Characteristic Vectors of Nonunitary Operators and the Characteristic Function.- On the Order of Decrease at Infinity of a Function whose Fourier Transform is Localized on a Curve.