Campos, L.M.B.C. <br/><br/>
Singular differential equations and special functions / 

 - Boca Raton:  CRC Press,  2020. 
 - xxiv, 334p. Bibl. Index. 
 - Mathematics and Physics for Science and Technology .
<br/><br/><label>ISBN: </label>9780367137236 
<br/><br/><label>Dewey Class. No.: </label>515.1  / C737.SD