Eulers Linear Curvarum
From University Of St Andrews Library Transcription Platform
Possibly: Methodus Inveniendi lineas curvas Maximi Minimive proprietate gaudentes, sive solutio problematis isoperimetrici latissimo sensu accepti auctore Leonhardo Eulero, Professore Regio, & Academiae Imperialis scientiarum Petropolitanae Socio. (By Leonhard Euler). (Lausannae & Genevae : Apud Marcum-Michaelem Bousquet & Socios, MDCCXLIV. [1744]). http://library.st-andrews.ac.uk/record=b2498530~S1
