TY - JOUR AU - Wilczynski, E.-J. TI - Differential Properties of Functions of a Complex Variable which are Invariant under Linear Transformations; part I JO - Journal de Mathématiques Pures et Appliquées PY - 1922 SP - 393 EP - 435 VL - 1 PB - Gauthier-Villars UR - http://www.numdam.org/item/JMPA_1922_9_1__393_0/ LA - en ID - JMPA_1922_9_1__393_0 ER -