Б.А. ДУЙСЕНГАЛИЕВА; А.С. НАУРАЗБЕКОВА. An example of a non-triangulable derivation of a differential polynomial algebra of rank 2. BULLETIN OF THE 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: 18 may. 2024.