@article{1102947736, author = {Williams, G. K.}, title = {Mappings and decompositions.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 387-392}, language = {en}, url = {http://dml.mathdoc.fr/item/1102947736} }
Williams, G. K. Mappings and decompositions.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 387-392. http://gdmltest.u-ga.fr/item/1102947736/