TY - JOUR AU - I. N. Shnurnikov TI - Into how many regions do $n$ lines divide the plane if at most $n-k$ of them are concurrent? JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2010 SP - 32 EP - 36 IS - 5 UR - http://geodesic.mathdoc.fr/item/VMUMM_2010_5_a5/ LA - ru ID - VMUMM_2010_5_a5 ER -