@article{00039588, title = {An introduction to }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {15}, year = {1992}, pages = {313-317}, doi = {10.1155/S0161171292000383}, zbl = {0753.05070}, language = {en}, url = {http://dml.mathdoc.fr/item/00039588} }
Farrell, E.J. An introduction to . International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 313-317. doi : 10.1155/S0161171292000383. http://gdmltest.u-ga.fr/item/00039588/