TY  - JOUR
A1  - Fedosov, Boris V.
A1  - Schulze, Bert-Wolfgang
A1  - Tarchanov, Nikolaj N.
T1  - The index of elliptic operators on manifolds with conical points
Y1  - 1999
ER  - 
TY  - JOUR
A1  - Fedosov, Boris V.
A1  - Schulze, Bert-Wolfgang
A1  - Tarchanov, Nikolaj N.
T1  - On the index formula for singular surfaces
Y1  - 1999
ER  -