TY  - JOUR
AU  - Brown, Ezra
TI  - x4 + dx2y2 + y2= z2: Some cases with only trivial solutions—and a solution Euler missed
JO  - Glasgow mathematical journal
PY  - 1989
SP  - 297
EP  - 307
VL  - 31
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007862/
DO  - 10.1017/S0017089500007862
ID  - 10_1017_S0017089500007862
ER  -