@article{3066, author = {Artikis, Theodore}, title = {An operator for characteristic functions}, journal = {Portugaliae mathematica}, volume = {42}, year = {1983}, pages = {409-416}, zbl = {0583.60018}, mrnumber = {0836119}, language = {en}, url = {http://dml.mathdoc.fr/item/3066} }
Artikis, Theodore. An operator for characteristic functions. Portugaliae mathematica, Tome 42 (1983) pp. 409-416. http://gdmltest.u-ga.fr/item/3066/