@article{1256048843, author = {Francis, George K.}, title = {Polymersions with nontrivial targets}, journal = {Illinois J. Math.}, volume = {22}, number = {4}, year = {1978}, pages = { 161-170}, language = {en}, url = {http://dml.mathdoc.fr/item/1256048843} }
Francis, George K. Polymersions with nontrivial targets. Illinois J. Math., Tome 22 (1978) no. 4, pp. 161-170. http://gdmltest.u-ga.fr/item/1256048843/