Campos, L. M. B. C. <br/><br/>
Linear Differential Equations and Oscillators 

 - USA  CRC Press  2020 
 - 285p. 
 - Mathematics and physics for science and technology .
<br/><br/> Vol. 4; V.4- Ordinary differential equations with applications of trajectories and oscillations 
<br/><br/><label>ISBN: </label>9780367137182 
<br/><br/><label>Dewey Class. No.: </label>621.8  / C16L