TY - BOOK AU - Dold, A. [ed.] AU - Eckmann, B. [ed.] TI - Lecture notes in mathematics [v.899] SN - 3540111735 U1 - 510.4 PY - 1981/// CY - Heidelberg PB - Springer UR - http://link.springer.com/bookseries/304 ER -