Differential Mathematical Models -- Integrable Differential Equations -- Dynamic Model of Systems with Heat Generation -- Stiff Differential Equations -- Heat Transfer near the Stagnation Point at Cross Tube Flow -- The Falkner-Skan Equation of Boundary Layer -- Rayleigh’s Equation: Hydrodynamical Instability -- Kinematic Waves of Concentration in Ion-Exchange Filter -- Kinematic Shock Waves …