no. 1
The exceptional representations of Gl 2
Compositio Mathematica, Tome 51 (1984) no. 1, pp. 3-14. 
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     url = {http://archive.numdam.org/item/CM_1984__51_1_3_0/}
}
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Kutzko, P. C. The exceptional representations of $Gl_2$. Compositio Mathematica, Tome 51 (1984) no. 1, pp. 3-14. http://archive.numdam.org/item/CM_1984__51_1_3_0/

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