1. V.L. Berdichvsky, Variational Principles of Continuum Mechanics (Springer, Berlin, 2010).
2. H. Lamb, Hydromechanics (Cambridge Univ. Press, Cambridge, 1932).
3. G.K. Batchelor, An Introduction to Fluid Mechanics (Cambridge Univ. Press, Cambridge, 1973).
4. K. Vashizu, Variational Methods in Elasticity and Plasticity (Pergamon Press, Oxford, 1982).
5. A.G. Petrov, “Energy Dissipation Rate in Viscous Fluid with Given Condition for the Shear Stress on the Boundary Streamline,” Dokl. Ross. Akad. Nauk 304(6), 127–134 (1989).