TY  - BOOK
AU  - Dold,A.
AU  - Heidelberg
AU  - Eckmann,B.
TI  - Lecture notes in mathematics : an informal series of special lectures, seminars and reports on mathematical topics 
U1  - 510 FRA  
PY  - 1964///.
CY  - Berlin : 
PB  - Springer-Verlag, 
KW  - Mathematics.
ER  -