Posada Hernández, Gabriel Jaime, <br/><br/>
Ecuaciones lineal y cuadrática / 
Gabriel Jaime Posada Hernández. 
 - 1 online resource :  illustrations. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789588943169 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations.
<br/><br/><label>LC Class. No.: </label>QA39.2 ebook