%0 Journal Article %A Elkies, Noam D. %T Supersingular primes for elliptic curves over real number fields %J Compositio Mathematica %D 1989 %P 165-172 %V 72 %N 2 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1989__72_2_165_0/ %G en %F CM_1989__72_2_165_0