1. Calculus of Variations;Elsgolc,1960
2. Variational Principles in Dynamics and Quantum Mechanics;Yourgrau,1960
3. Thermodynamic Theory of Structure, Stability and Fluctuations;Glansdorff,1971
4. On the search for variational principles;Finlayson;Int. J. Heat Mass Transfer,1967
5. Transport Phenomena;Bird,1960