Ortega Rafael <br/><br/>
Periodic differential equations in the plane   A topological perspective 
Ortega Rafael 
 - Lithuania  De Gruyter           2019 
 - xi,185p.  cm. 
 - Series in nonlinear analysis and applications Volume 29 .
<br/><br/><label>ISBN: </label> EURO 99.95 
<br/><br/><label>Standard No.: </label>142146 
<br/><br/><label>Source: </label> 5661, 06/12/2019, Ashutosh Technical Books  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B394, Q9