Lagno VI, Fushchich VI. Linear and nonlinear representations of Galilei groups in two-dimensional space-time. Ukr. Mat. Zhurn. [Internet]. 1998 Mar. 25 [cited 2025 Dec. 5];50(3):414-23. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4941