Outlooks in Saint Venant theory Part II. Torsional rigidity, shear-stress "and all that" in the torsion of cylinders with section of variable thickness. Arch. Mech. [Internet]. 1996 Jan. 1 [cited 2025 May 13];48(4):753-6. Available from: https://am3.ippt.pan.pl/index.php/am/article/view/v48p753