TY  - BOOK
A1  - Fedosov, Boris V.
A1  - Schulze, Bert-Wolfgang
A1  - Tarchanov, Nikolaj N.
T1  - On the index formula for singular surfaces
T2  - Preprint / Universität Potsdam, Institut für Mathematik
Y1  - 1997
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/24064
VL  - 1997, 31
PB  - Univ.
CY  - Potsdam
ER  -