@article{GDZPPN002489392, title = {On the Diophantine Equation D1x2 + D... = 4yn.}, journal = {Monatshefte f\"ur Mathematik}, volume = {119}, year = {1995}, pages = {121-126}, url = {http://dml.mathdoc.fr/item/GDZPPN002489392} }
Maohua, Le. On the Diophantine Equation D1x2 + D... = 4yn.. Monatshefte für Mathematik, Tome 119 (1995) pp. 121-126. http://gdmltest.u-ga.fr/item/GDZPPN002489392/