by Ervin Szèucs ; [translated by B. Balkay]. Ern頾 Nemecz ; [translated by B. Balkay] by F. Csaki ; [translated by B. Balkay]. by Guszt鈇v Tarj鈇n ; [translated by B. Balkay]. by Felix Klein ; translated by M. Ackerman. by Yu.L. Klimontovich ; translated by R. Balescu. by Guy Seguier ; translated by E. Griffin. by J.E. Pin ; translated by A. Howie. by Wu Minxian ; translated by Li Xiaona. by Arthur Haas ; translated by T. Verschoyle.