Hildebrandt, Stefan <br/><br/>
Nonlinear elliptic systems and harmonic mappings/ 
Stefan Hildebrandt. 
 - [1st ed.] 
 - Bonn:  Univ. Bonn,  1980. 
 - 133 p. 
 - Vorlesungsreihe SFB;  723. .
 - Vorlesungsreihe (Universitat Bonn);  723. .
<br/><br/><label>Dewey Class. No.: </label>515.353  / H642n