1. V. A. Florin, Principles of Soil Mechanics [in Russian], Vol. 1, Gosstroiizdat, Moscow - Leningrad (1959); Vol. 2 (1961).
2. M. I. Gorbunov-Posadov, Stability of Foundations on a Sand Bed [in Russian], Stroiizdat, Moscow (1962).
3. A. K. Bugrov, “Solution of the mixed problem of the theory of elasticity and theory of plasticity of soils,” Osn. Fundam. Mekh. Gruntov, No. 6 (1974).
4. A. K. Bugrov, “Use of the unassociated law of plastic flow in the mixed problem of the theory of elasticity and theory of plasticity of soils,” Tr. Leningr. Politekh. Inst., No. 354 (1976).
5. A. K. Bugrov and A. A. Zarkhi, “Stress and strain state in a foundation in the presence of regions of limit equilibrium of the soils in it,” Tr. Leningr. Politekh. Inst., No. 354 (1976).