%0 Journal Article %A V. A. Voblyi %T An asymptotics for the number of labelled planar tetracyclic and pentacyclic graphs %J Prikladnaâ diskretnaâ matematika %D 2023 %P 72-79 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2023_1_a3/ %G ru %F PDM_2023_1_a3