Bounds to the gamma--ray flux emitted by SN 2011fe before the maximum of light as obtained by INTEGRAL/SPI
Journal article published in 2011 by
J. Isern,
P. Jean,
E. Bravo,
J. Knodlseder,
B. Kulebi,
R. Diehl 
,
A. Hirschmann,
G. Lichti,
N. Elias-Rosa,
G. Vedrenne,
M. Hernanz,
P. von Ballmoos,
C. Badenes ,
I. Dominguez,
D. Garcia
and other authors.
,
A. Hirschmann,
G. Lichti,
N. Elias-Rosa,
G. Vedrenne,
M. Hernanz,
P. von Ballmoos,
C. Badenes ,
I. Dominguez,
D. Garcia
and other authors.
