@article{1102701404, author = {Landes, Thomas R.}, title = {Normal structure and the sum-property.}, journal = {Pacific J. Math.}, volume = {125}, number = {2}, year = {1986}, pages = { 127-147}, language = {en}, url = {http://dml.mathdoc.fr/item/1102701404} }
Landes, Thomas R. Normal structure and the sum-property.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 127-147. http://gdmltest.u-ga.fr/item/1102701404/