@article{IM2_1998_62_1_a4,
     author = {S. G. Tankeev},
     title = {On {Frobenius} traces},
     journal = {Izvestiya. Mathematics},
     pages = {157--190},
     year = {1998},
     volume = {62},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1998_62_1_a4/}
}