boundary value problem 3 крайова задача 3 Dirichlet–Neumann conditions 2 small denominators 2 малі знаменники 2 621.313.323 1 Banach–Caccioppoli fixed-point theorem 1 Green's function 1 Laplace transforms 1 Rothe method 1 Runge–Kutta method of the fourth order 1 UDC 393.3 1 UDC 517.922+511.2 1 UDC 517.95 1 a priori and parametric uncertainties 1 approximate estimate 1 asynchronous operation mode 1 averaged problem 1 boundary value problem with two-point conditions 1 crystallization 1 cylindrical conductors of small diameter 1 decision-making theory 1 existence and uniqueness conditions 1 generalized equation of internal gravity waves 1 homogenization 1 integral transformations 1 inverse boundary value problems in a stochastic formulation 1 iterative method 1 linearization 1 mathematical model 1