TY - JOUR AU - Leonid Grishchuk AU - M. Solokhin BT - Physical Review D DA - Jan-04-1991 DO - 10.1103/PhysRevD.43.2566 PY - 1991 SP - 2566 EP - 2571 T2 - Physical Review D TI - Spectra of relic gravitons and the early history of the Hubble parameter UR - http://link.aps.org/doi/10.1103/PhysRevD.43.2566 VL - 43 SN - 0556-2821 ER -