@article{1102945284, author = {Riley, J. P.}, title = {Cross-sections of decompositions.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 219-221}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945284} }
Riley, J. P. Cross-sections of decompositions.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 219-221. http://gdmltest.u-ga.fr/item/1102945284/