1. Some Basic Problems of the Mathematical Theory of Elasticity;Muskhelishvili,1953
2. The problem of torsion of a circular cylinder, reinforced by additioral circular rods;Vekua;Izv. A.N.S.S.S.R. No. 3,1933
3. Torsion and bending by a transverse force of a bar, consisting of two materials bounded by confocal ellipses;Vekua;Prikl. Mat. Mech,1933
4. Torsion of an elliptical cylinder reinforced by a circular rod;Sherman;Inzhenernyi Sbornik,1951
5. Torsion of multilayered rectangular section;Booker;ASCE Engng Mech. Div,1971