Differential Properties of Functions of a Complex Variable which are Invariant under Linear Transformations

Wilczynski, E.-J.

Journal de Mathématiques Pures et Appliquées, Volume 2 (1923) p. 1-51

Differential Properties of Functions of a Complex Variable which are Invariant under Linear Transformations; part I

Wilczynski, E.-J.

Journal de Mathématiques Pures et Appliquées, Volume 1 (1922) p. 393-435