Molchanov Alexander Alexeevish, Sobolev Vadim Vladimirovich «Numerical solution of Saint-Venant's problem about torsion of a shaft with two-connected domain section by the method of conformal mapping» // 2011. №2(14) C.25-37
Alexandrov Igor Aleksandrovich «Torsion of an elastic rod with a multicircular cross-section» // 2010. №4(12) C.56-63
Sobolev V. V. «Numerical method of stable solution of S.-Venant problem of shaft torsionwith arbitrary unity-connected domain section» // 2009. №4(8) C.98-111