by Chsrles Rist ; translated by Jane Degras. by Walter Burkert ; translated by John Raffan. by Zhao Qizheng ; translated by Wang Jun. by J鑥rgen Neffe ; translated by Shelly Frish. by Tam?as Szentes ; [translated by Istv?an V?eges]. by F. Csaki ; [translated by B. Balkay]. by Felix Klein ; translated by M. Ackerman. by J.E. Pin ; translated by A. Howie. by Giorgio Abetti; translated by J.B. Sidgwick. by Harro G. Heuser ; translated by John Horv?ath.