THE GENERALIZED SUNDMAN TRANSFORMATION AND DIFFERENTIAL FORMS FOR LINEARIZING THE VARIABLE FREQUENCY OSCILLATOR EQUATION AND THE MODIFIED IVEY’S EQUATION. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 3, p. 167–170, 2023. DOI: 10.33003/fjs-2023-0703-1859. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1859. Acesso em: 12 sep. 2025.