%0 Journal Article %A Edgar Karst %T The Congruence 2p-1 ...1 (mod p2) and Quadratic Forms with High Density of Primes. %J Elemente der Mathematik %D 1967 %P 85-88 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1967__22_140856/ %F ELMA_1967__22_140856