@article{1183498925, author = {Hille, Einar and Sz\'asz, Otto}, title = {On the completeness of Lambert functions}, journal = {Bull. Amer. Math. Soc.}, volume = {42}, number = {12}, year = {1936}, pages = { 411-418}, language = {en}, url = {http://dml.mathdoc.fr/item/1183498925} }
Hille, Einar; Szász, Otto. On the completeness of Lambert functions. Bull. Amer. Math. Soc., Tome 42 (1936) no. 12, pp. 411-418. http://gdmltest.u-ga.fr/item/1183498925/