1 “..., nonlinear equations, elliptic theory on singular domains, numerical approaches. It will serve as a useful...”

2 “..., other operators from harmonic analysis are considered, such as convolution operators and singular...”

3 Table of Contents: “... Singularities -- Elliptic systems of phase transition type -- Cordes condition, Campanato nearness and beyond...”

4 Table of Contents: “...–Kuznetsov equation -- Singular semilinear elliptic equations with subquadratic gradient terms...”

5 Table of Contents: “... Problem with Two Nonlocal Boundary Conditions for a Mixed Type Equation with Singular Coefficient...”

6 Table of Contents: “... boundary value problems for new classes of singular integral equations in cylindrical domains -- Hamidou...”

7 Table of Contents: “... with loss of regularity for a class of singular hyperbolic Cauchy problems -- On a mixed equationinvolving...”

8 Table of Contents: “... singularity for (3+1)-D Protter-Morawetz problems -- Makhmud Sadybekov, Batirkhan Turmetov: Boundary Value...”