对判别式形如d=4p^2-p的一类实二次域Q(√d),若其类数h(d)=1,则必有d〉exp(2.2×10^8).
A lower bound exp(2.2 × 10^8) for the discriminants d of real quadratic fields Q(√d) with d=4p^2-p and h(d)=1 was given.