@article{1183500876, author = {Wong, B. C.}, title = {Enumerative properties of plane connected $n$-lines}, journal = {Bull. Amer. Math. Soc.}, volume = {44}, number = {11}, year = {1938}, pages = { 693-697}, language = {en}, url = {http://dml.mathdoc.fr/item/1183500876} }
Wong, B. C. Enumerative properties of plane connected $n$-lines. Bull. Amer. Math. Soc., Tome 44 (1938) no. 11, pp. 693-697. http://gdmltest.u-ga.fr/item/1183500876/