@article{1102701411, author = {Roesler, Friedrich}, title = {Squarefree integers in nonlinear sequences.}, journal = {Pacific J. Math.}, volume = {125}, number = {2}, year = {1986}, pages = { 223-225}, language = {en}, url = {http://dml.mathdoc.fr/item/1102701411} }
Roesler, Friedrich. Squarefree integers in nonlinear sequences.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 223-225. http://gdmltest.u-ga.fr/item/1102701411/