N. A. Kachanovsky, “Wick algebras and quantum free fields in Gaussian and non-Gaussian analysis”, MFAT, vol. 4, no. 4, pp. 22–39, Dec. 1998, Accessed: Mar. 30, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/73