A. Tani, C. Le Roux, “Steady-state solutions to the equations of motion of second-grade fluids with general Navier-type slip boundary conditions in Hölder spaces”, Зап. научн. сем. ПОМИ, 306 (2003), 210–228; J. Math. Sci. (N. Y.), 130:4 (2005), 4899–4909
