%0 Journal Article %A N. D. Puchkova %T On the dispositions of two $M$-singular curves of degree $4$, the oval of one of which coils around the oval of the other %J Čebyševskij sbornik %D 2023 %P 56-70 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2023_24_3_a3/ %G ru %F CHEB_2023_24_3_a3