GalinL. A.‘A problem in plane elasto-plasticity: Plastic regions around circular apertures in plates and beams’, Prikl. Mat. Mekh.1946 10, 367. English condensations appear in Godfrey, D. E. R. Theoretical elasticity and plasticity for engineers1959 (Thames and Hudson); Savin, G. N. Stress concentrations around holes1961 (Pergamon Press).