Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
The present book is an important contribution of matrix theory and its applications. It consists of an introduction and (04) chapters where we review certain basic definitions also we introduce the concept of invariant polynomials. This book is dedicated to the application of pencils to solve implicit differential systems.