%0 Journal Article %A Williams, Kenneth S. %A Friesen, Christian %A Howe, Lawrence J. %T Criteria for Biquadratic Residuacity Modulo a Prime p involving Quaternary Representations of p %J Canadian journal of mathematics %D 1985 %P 337-370 %V 37 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1985-021-1/ %R 10.4153/CJM-1985-021-1 %F 10_4153_CJM_1985_021_1