⇒ The MacTutor History of Mathematics Archive
⇒ Éloge in “Histoire de l’Académie des Sciences”, année 1783, Paris 1786, pp. 37-68. Gallica
Euler, Leonhard, Methodus inveniendi lineas curvas maxime minimive proprietate gaudentes, sive solution problematis isoperimetrici lattissimo sensu accepti, apud Marcum-Michaelem Bousquet & Socios, Lausannae & Genevae 1744.
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Euler, Leonhard, Sur la forces des colonnes, “Memoires de l’Académie des Sciences de Berlin”, vol.13, 1759, pp. 252-282.
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Euler, Leonhard, De pressione ponderis in planum cui incumbit, “Novi Commentarii academiae scientiarum Petropolitanae” vol. 18, 1774, pp. 289-329.
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Euler, Leonhard, Determinatio onerum, quae columnae gestare valent, “Acta Academiae Scientarum Imperialis Petropolitinae” 1778, 1780, pp. 121-145.
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Euler, Leonhard, Examen insignis paradoxi in theoria columnarum occurrentis, “Acta Academiae Scientarum Imperialis Petropolitinae” 1778, 1780, pp. 146-162.
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Euler, Leonhard, De altitudine columnarum sub proprio pondere corruentium, “Acta Academiae Scientarum Imperialis Petropolitinae” 1778, 1780, pp. 163-193.
⇒ download from The Euler Archive