by J. P. Mathieu ; translated by J. Warren Blaker. by F. Csaki ; [translated by B. Balkay]. by W. Marxsen ; translated by G. Buswell. by J.E. Pin ; translated by A. Howie. by Rozsa Peter ; translated by Z. P. Dienes. by Arthur Haas ; translated by T. Verschoyle. by Felix Klein ; translated by M. Ackerman. by Guy Seguier ; translated by E. Griffin. by Haiping Qiu ; translated by Xiaoli Jiang. by F. G. Tricomi; translated by Elizabeth A. McHarg.