HARARY, F.. "The Number of Functional Digraphs.." Mathematische Annalen 138 (1959): 203-210. <http://eudml.org/doc/160709>.
@article{HARARY1959, author = {HARARY, F.}, journal = {Mathematische Annalen}, keywords = {topology}, pages = {203-210}, title = {The Number of Functional Digraphs.}, url = {http://eudml.org/doc/160709}, volume = {138}, year = {1959}, }
TY - JOUR AU - HARARY, F. TI - The Number of Functional Digraphs. JO - Mathematische Annalen PY - 1959 VL - 138 SP - 203 EP - 210 KW - topology UR - http://eudml.org/doc/160709 ER -
