%0 Journal Article %A T. Fidler %T New congruences in the topology of real plane algebraic curves %J Doklady Akademii Nauk %D 1983 %P 56-58 %V 270 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_270_1_a13/ %G ru %F DAN_1983_270_1_a13