TY - JOUR AU - N. D. Puchkova TI - On the dispositions of two $M$-singular curves of degree $4$, the oval of one of which coils around the oval of the other JO - Čebyševskij sbornik PY - 2023 SP - 56 EP - 70 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2023_24_3_a3/ LA - ru ID - CHEB_2023_24_3_a3 ER -