1. A. E. Green and W. Zerna, Theoretical Elasticity (Oxford Univ. Press, Oxford, 1975).
2. J. M. Ball, “Convexity conditions and existence theorems in nonlinear elasticity,” Arch. Rational Mech. Anal. 63, 337–403 (1977).
3. Ph. G. Ciarlet, Mathematical Elasticity, Vol. 1: Three-Dimensional Elasticity (North-Holland, Amsterdam, 1988; Mir, Moscow, 1992).
4. R. W. Ogden, Non-Linear Elastic Deformations (Dover, New York, 1997).
5. I. A. Brigadnov, “On the existence of a limiting load in some problems of hyperelasticity,” Izv. Ross. Akad. Nauk, Mekh. Tverd. Tela 5, 46–51 (1993).