Xu, D. Existence of Center for Planar Differential Systems with Impulsive Perturbations. Wiley.
Chicago Style (17th ed.) CitationXu, Dengguo. Existence of Center for Planar Differential Systems with Impulsive Perturbations. Wiley.
MLA (9th ed.) CitationXu, Dengguo. Existence of Center for Planar Differential Systems with Impulsive Perturbations. Wiley.
Warning: These citations may not always be 100% accurate.