%0 Journal Article %A D. B. Shakhmatov %T Cardinal invariants of topological fields %J Doklady Akademii Nauk %D 1983 %P 1332-1336 %V 271 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_6_a11/ %G ru %F DAN_1983_271_6_a11