@article{AM2_1979__19_136833,
     author = {Shigeru Haruki},
     title = {Note on the equation ... f = 0 {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {305--305},
     publisher = {mathdoc},
     volume = {19},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/AM2_1979__19_136833/}
}