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@article{AM2_1974__11_136435, author = {R.T. Bumby}, title = {On a {Problem} of {D'Atri} and {Nickerson.}}, journal = {Aequationes mathematicae}, pages = {57--67}, publisher = {mathdoc}, volume = {11}, year = {1974}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AM2_1974__11_136435/} }
R.T. Bumby. On a Problem of D'Atri and Nickerson.. Aequationes mathematicae, Tome 11 (1974), pp. 57-67. http://geodesic.mathdoc.fr/item/AM2_1974__11_136435/