@article{SM_1992_71_1_a15,
     author = {P. G. Gres'},
     title = {Reduction theorems for the {Brauer} conjecture on the number of characters in a~$p$-block},
     journal = {Sbornik. Mathematics},
     pages = {259--269},
     publisher = {mathdoc},
     volume = {71},
     number = {1},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1992_71_1_a15/}
}