Kachanovsky, N. A. “Generalized Stochastic Derivatives on Parametrized Spaces of Regular Generalized Functions of Meixner White Noise”. Methods of Functional Analysis and Topology, vol. 14, no. 4, Dec. 2008, pp. 334-50, https://zen.imath.kiev.ua/index.php/mfat/article/view/397.