@article{GDZPPN002550261, title = {Note on the equation (...-...)f = 0.}, journal = {Aequationes mathematicae}, volume = {20}, year = {1980}, pages = {49-52}, zbl = {0462.39006}, url = {http://dml.mathdoc.fr/item/GDZPPN002550261} }
Haruki, Shigeru. Note on the equation (...-...)f = 0.. Aequationes mathematicae, Tome 20 (1980) pp. 49-52. http://gdmltest.u-ga.fr/item/GDZPPN002550261/