TY - JOUR AU - Cohn, J. H. E. TI - On the Diophantine equation z2 = x4 + Dx2y2 + y4 JO - Glasgow mathematical journal PY - 1994 SP - 283 EP - 285 VL - 36 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708950003086X/ DO - 10.1017/S001708950003086X ID - 10_1017_S001708950003086X ER -