Geodesic
Some conditions for the existence of $p$-blocks of defect 0 in finite groups
Sbornik. Mathematics, Tome 70 (1991) no. 2, pp. 587-592 
S. P. Strunkov. Some conditions for the existence of $p$-blocks of defect 0 in finite groups. Sbornik. Mathematics, Tome 70 (1991) no. 2, pp. 587-592. http://geodesic.mathdoc.fr/item/SM_1991_70_2_a14/
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     title = {Some conditions for the existence of $p$-blocks of defect~0 in finite groups},
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Voir la notice de l'article provenant de la source Math-Net.Ru

Several sets of necessary and sufficient conditions are given for the existence of $p$-blocks of defect 0 in a finite group.

[1] Feit W., The representation theory of finite groups, North Holland, Amsterdam–New York–Oxford, 1982 | MR

[2] Kertis Ch., Rainer I., Teoriya predstavlenii konechnykh grupp i assotsiativnykh algebr, Nauka, M., 1969 | MR

[3] Isaacs I. M., Character theory of finite groups, Acad. Press, New York, 1976 | MR | Zbl

[4] Tsushima Y., “On the blocks of defect zero”, Nagoya Math. J., 44 (1971), 57–59 | MR | Zbl

[5] Tsushima Y., “On the existence of characters of defect zero”, Osaka J. Math., 11 (1974), 417–423 | MR | Zbl