Б.А. ДУЙСЕНГАЛИЕВА; А.С. НАУРАЗБЕКОВА. An example of a non-triangulable derivation of a differential polynomial algebra of rank 2. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, [S. l.], v. 128, n. 3, p. 53–57, 2019. Disponível em: https://bulmathmc.enu.kz/index.php/main/article/view/50. Acesso em: 23 nov. 2024.