First INTEGRAL and Swift observations of a giant outburst of A0535+26

1. Caballero, I.
2. Müller, S.
3. Bordas, P.
4. Ferrigno, C.
5. Kühnel, M.
6. Pottschmidt, K.
7. Kretschmar, P.
8. Wilms, J.
9. Kreykenbohm, I.
10. Klochkov, D.
11. Santangelo, A.
12. Staubert, R.
13. Suchy, S.
14. Rothschild, R.
15. Camero-Arranz, A.
16. Finger, M.