TY JOUR TI SHAPE DIFFERENTIABILITY OF DRAG FUNCTIONAL AND BOUNDARY VALUE PROBLEM SOLUTIONS FOR FLUID MIXTURE EQUATIONS KW boundary value problem KW mixture of viscous compressible fluids KW conjugate problem KW flowing around an obstacle KW material derivative KW shape derivative JO Science Evolution AU Kucher, N.. AU Zhalnina, A.. PY 2016 IS 1 PB Kemerovo State University