@article{00828250, title = {On generalized Landau identities.}, journal = {Portugaliae Mathematica. Nova S\'erie}, volume = {52}, year = {1995}, pages = {29-38}, zbl = {0835.11003}, language = {en}, url = {http://dml.mathdoc.fr/item/00828250} }
Haukkanen, Pentti. On generalized Landau identities.. Portugaliae Mathematica. Nova Série, Tome 52 (1995) pp. 29-38. http://gdmltest.u-ga.fr/item/00828250/