1. Contact problems for an elastic sphere;Bondareva;Prikl. Mat. Mekh.,1971
2. Three-Dimensional Problems in the Theory of Elasticity;Lur'ye,1955
3. The action of an axisymmetric normal load on an elastic sphere;Bondareva;Prikl. Mat. Mekh.,1969
4. Two contact problems for an elastic sphere;Abramyan;Prikl. Mat. Mekh.,1964
5. The impression of a rigid punch into an elastic sphere;Arutyunyan;Prikl. Mat. Mekh.,1964