%0 Journal Article %A V. M. Buchstaber %A E. G. Rees %T Frobenius $k$-characters and $n$-ring homomorphisms %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1997 %P 398-399 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1997_52_2_a18/ %G en %F RM_1997_52_2_a18