@article{GDZPPN001254596, title = {Green ' s ....-relation for generalized polynomials.}, journal = {Semigroup forum}, volume = {23}, year = {1981}, pages = {9-46}, zbl = {0455.20050}, url = {http://dml.mathdoc.fr/item/GDZPPN001254596} }
Magill, K.D. jr.; Baird, B.B. Green ' s ....-relation for generalized polynomials.. Semigroup forum, Tome 23 (1981) pp. 9-46. http://gdmltest.u-ga.fr/item/GDZPPN001254596/