%0 Journal Article %A S. Yu. Orevkov %T Link Theory and New Restrictions for $M$-Curves of Degree Nine %J Funkcionalʹnyj analiz i ego priloženiâ %D 2000 %P 84-87 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2000_34_3_a12/ %G ru %F FAA_2000_34_3_a12