Some basic problems of the mathematical theory of elasticity : fundamental equations plane theory of elasticity, torsion and bending / by N.I. Muskhelishvili ; transl. from the 3rd rev. and augm. Russian ed. 1949 by J.R.M. RadokElasticity : theory, applications, and numerics / Martin H. SaddSome basic problems of the mathematical theory of elasticity : fundamental equations plane theory of elasticity, torsion and bending / by N.I. Muskhelishvili ; transl. from the 4th corr. and augm. Russian ed by J.R.M. Radok