Marion, J. “Gauge Frameworks over Locally M-Convex Fréchet Unital Involutive Algebras, and Gauge Representations of Their Unitary Groups”. Methods of Functional Analysis and Topology 3, no. 4 (December 25, 1997): 77–96. Accessed December 19, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/51.