%0 Journal Article %T Nova series infinita maxime convergens perimetrum ellipsis exprimens %A Leonhard Euler %A Artur Diener %A Alexander Aycock %J Mathematics %D 2012 %I arXiv %X The title says what is done here. Euler finds a news series for the arc of an ellipse. The paper is translated from the Latin original into German. %U http://arxiv.org/abs/1201.6682v1