TY - JOUR AU - Nebeský, Ladislav TI - On 2-cell embeddings of graphs with minimum numbers of regions JO - Czechoslovak Mathematical Journal PY - 1985 SP - 625 EP - 631 VL - 35 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102053/ DO - 10.21136/CMJ.1985.102053 LA - en ID - 10_21136_CMJ_1985_102053 ER -