4. Bibliography

[Bib1]

Foundations of solid mechanics, Fung Y. C., Prentice Hall. 1965, pp 31-57.

[Bib2]

Calculation of the derivative of a quantity with respect to a crack bottom by the theta method, Mialon P., EDF - Bulletin de la Direction des Etudes et Recherches - Série C - n° 3. No. 3. 1988, pp1-28.