TY - JOUR AU - Wilczynski, E.-J. TI - Differential Properties of Functions of a Complex Variable which are Invariant under Linear Transformations JO - Journal de Mathématiques Pures et Appliquées PY - 1923 SP - 1 EP - 51 VL - 2 PB - Gauthier-Villars UR - http://www.numdam.org/item/JMPA_1923_9_2__1_0/ LA - en ID - JMPA_1923_9_2__1_0 ER -