TY - JOUR AU - J. Cohn TI - The diophantine equations $(x^2 - c)^2 = (t^2 ± 2) y^2 + 1$ JO - Acta Arithmetica PY - 1976 SP - 253 EP - 255 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-30-3-253-255/ DO - 10.4064/aa-30-3-253-255 LA - fr ID - 10_4064_aa_30_3_253_255 ER -