@article{GDZPPN002549174, title = {Some Properties of the Jordan Operator}, journal = {Aequationes mathematicae}, volume = {2}, year = {1969}, pages = {105-110}, zbl = {0162.18604}, url = {http://dml.mathdoc.fr/item/GDZPPN002549174} }
HILLE, E. Some Properties of the Jordan Operator. Aequationes mathematicae, Tome 2 (1969) pp. 105-110. http://gdmltest.u-ga.fr/item/GDZPPN002549174/