1. Grioli, G., Mathematical Theory of Elastic Equilibrium (Recent Results), Springer, Berlin Göttingen Heidelberg 1962.
2. Encyclopedia of Physics, Vol. III/3;C. Truesdell,1965
3. Wang, C.-C., & C. Truesdell, Introduction to Rational Elasticity, Noordhoff, Leyden 1973.
4. Gurtin, M.E., The Linear Theory of Elasticity, in Encyclopedia of Physics, Vol. VIa/2, Springer, Berlin Heidelberg New York 1972.
5. Sikorski, R., Advanced Calculus, Functions of Several Variables, Polish Scientific Publishers, Warsaw 1969.