@article{1183419086, author = {Lehmer, D. N.}, title = {On the orderly listing of substitutions}, journal = {Bull. Amer. Math. Soc.}, volume = {13}, number = {3}, year = {1906}, pages = { 81-84}, language = {en}, url = {http://dml.mathdoc.fr/item/1183419086} }
Lehmer, D. N. On the orderly listing of substitutions. Bull. Amer. Math. Soc., Tome 13 (1906) no. 3, pp. 81-84. http://gdmltest.u-ga.fr/item/1183419086/