SAAD, A. S. First Order Uniform Solution for General Perturbed Harmonic Oscillator. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 8, n. 2, p. 1555–1564, 2014. DOI: 10.24297/jam.v8i2.6899. Disponível em: https://rajpub.com/index.php/jam/article/view/6899. Acesso em: 23 nov. 2024.