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@article{PORMA_1998__55_3_48127, author = {Udrea, Gheorghe}, title = {The diophantine equations .}, journal = {Portugaliae mathematica}, pages = {255--259}, publisher = {mathdoc}, volume = {55}, number = {3}, year = {1998}, zbl = {0912.11014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48127/} }
Udrea, Gheorghe. The diophantine equations .. Portugaliae mathematica, Tome 55 (1998) no. 3, pp. 255-259. http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48127/