1. V. V. Voevodin and Yu. A. Kuznetsov, Matrices and Calculations [in Russian], Nauka, Moscow, 1984.
2. G. Duvaut and J.-L. Lions, Les Inequations en Mecanique et en Physique, Dunod, Paris, 1985.
3. V. Yu. Kiryukhin, Yu. I. Nyashin, and V. A. Lokhov, “On the statement and solution of the problems of thermal stress control,” Mat. Met. Fiz.-Mekh. Polya, 46, No. 2, 128–135 (2003).
4. S. G. Mikhlin, Variational Methods in Mathematical Physics, Pergamon, New York, 1964.
5. Yu. I. Nyashin, E. Yu. Simanovskaya, V. A. Lokhov, and V. M. Tverier, “Biomechanics of the human dentofacial system,” J. Math. Sci., 165, No. 3, 426–430 (2010).