@article{1256046906, author = {Heath, Philip R. and Kamps, Klaus Heiner}, title = {On exact orbit sequences}, journal = {Illinois J. Math.}, volume = {26}, number = {4}, year = {1982}, pages = { 149-154}, language = {en}, url = {http://dml.mathdoc.fr/item/1256046906} }
Heath, Philip R.; Kamps, Klaus Heiner. On exact orbit sequences. Illinois J. Math., Tome 26 (1982) no. 4, pp. 149-154. http://gdmltest.u-ga.fr/item/1256046906/