TY - JOUR AU - Williams, Kenneth S. AU - Friesen, Christian AU - Howe, Lawrence J. TI - Criteria for Biquadratic Residuacity Modulo a Prime p involving Quaternary Representations of p JO - Canadian journal of mathematics PY - 1985 SP - 337 EP - 370 VL - 37 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1985-021-1/ DO - 10.4153/CJM-1985-021-1 ID - 10_4153_CJM_1985_021_1 ER -