1. Methodus Inveniendi Lineas Curvas Maximi Minimive Proprietate Gaudentes Sive Solutio Problematis Isoperimetrici Latissimo Sensu Accepti, Vol. 1;Euler,1952
2. Sur la figure des colonnes;Lagrange;Miscellanea Taurinensia,1770
3. Leonhard Euler’s elastic curves;Oldfather;Isis,1933
4. Nonlinear euler buckling;Goriely,2008
5. Euler buckling;Zeeman,1976