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4. A. A. Kaminskii, ?Stress concentration around free and reinforced circumlinear holes with random roughness,? Prikl. Mekhan.,6, No. 9 (1970).
5. A. A. Kaminskii, ?Investigation of the stress field around small radial cracks issuing from a hole outline,? Prikl. Mekhan.,7, No. 12 (1971).