PAVÓN-TORRES, O.; 						COLLANTES C., Juan Ramón; 						AGÜERO GRANADOS, Máximo A..
 Quasi-stationary method in the study of perturbations to the solitonic solutions of the nonlinear Schrödinger equation.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 28, n. 2, june 2021.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/12820" target="_new">https://cienciaergosum.uaemex.mx/article/view/12820</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v28n2a8">https://doi.org/10.30878/ces.v28n2a8</a>.