Nielsen, Jakob,  1890-1959. <br/><br/>
Collected mathematical papers/ 
Jakob Nielsen ; edited for the Danish Mathematical Society by Vagn Lundsgaard Hansen. 
 - Boston:  Basel:  Birkhäuser,  1986. 
 - 2 v.:  ill.;  27 cm. 
 - Contemporary mathematicians. .
 - Contemporary mathematicians. .
<br/><br/> Danish, English, French, and German. 
<br/><br/>Includes bibliographies. 
<br/><br/>v. 1. 1913-1932 -- v. 2. 1932-1955. 
<br/><br/><label>ISBN: </label>0817631526 (set) 0817631402 (v. 1) 0817631518 (v. 2) 
<br/><br/><label>LCCN: </label>86006137 //r904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory.<br/>Surfaces.
<br/><br/><label>Dewey Class. No.: </label>512/.22