Proceedings of the 15th Scandinavian Congress, Oslo, 1968 / 
Edited by K. E. Aubert and W. Ljunggren. 
 - Berlin :  Springer-Verlag,  1970. 
 - 162 p.:  ill. ;  26 cm. 
 - Lecture notes in mathematics (Springer-Verlag) ; 118. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Congresses.