Iterative methods based on linearization for nonlinear elliptic grid systems / E. G. Dyakonov -- How to solve stiff systems of differential equations by explicit methods / V. I. Lebedev -- On numerical methods of solving the Navier-Stokes equations in "velocity-pressure" variables / G. M. Kobelkov -- Stiff systems of ordinary differential equations / R. P. Fedorenko -- Convergence rate estimates of finite-element methods for second-order hyperbolic equations / A. A. Zlotnik -- Fictitious domain methods and computation of homogenized properties of composites with a periodic structure of essentially different components / N. S. Bakhvalov and A. V. Knyazev.