Elschner, Johannes, <br/><br/>
Singular ordinary differential operators and pseudodifferential equations 
Johannes Elschner. 
 - Berlin  Springer-Verlag  1985. 
 - 200p. 25cm. 
 - Lecture notes in mathematics  1128 .
<br/><br/> 'Also published by Akademie-Verlag, Berlin as vol.22 of the series Mathematische Forschung' - T.P. verso 
<br/><br/>Bibliography: p.191-196 
<br/><br/><label>ISBN: </label>354015194X  Berlin 038715194X  N.Y. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential operators<br/>Pseudodifferential operators<br/>Differential equations, Partial