Analisis De Fourier Hwei P. Hsu Pdf -

I know the Schaum’s outlines by Hsu are gold for solved problems, but I am specifically looking for the full Spanish edition (ISBN: 978-9684441590). Does anyone know where I can find a legitimate digital copy, or has anyone used this specific text for their engineering classes?

Quick Guide: "Análisis de Fourier" by Hwei P. Hsu – Is it worth it? analisis de fourier hwei p. hsu pdf

If you have used it, how does it compare to Oppenheim or Proakis? I need something with many solved exercises for practicing Fourier Series, Transforms, and FFT. I know the Schaum’s outlines by Hsu are

Thanks! Best for a quick recommendation or resource share. analisis de fourier hwei p. hsu pdf