![On a System of Nonlinear Wave Equations Associated with the Helical Flows of Maxwell Fluid: Linear Approximation and Asymptotic Expansion of Solutions in Many Small Parameters]()
On a System of Nonlinear Wave Equations Associated with the Helical Flows of Maxwell Fluid: Linear Approximation and Asymptotic Expansion of Solutions in Many Small ParametersPhuong Ngoc, Le Thi; Hoa, Cao Huu; Long, Nguyen Thanh · Vietnam Journal of Mathematics · 2015