@article{119671,
  author = {L Grishchuk and M Solokhin},
  title = {The spectra of relic gravitons and the early history of the Hubble parameter},
  year = {1991},
  number = {43},
  month = {1991-01-01},
  publisher = {Physical Review D (Particles, Fields, Gravitation and Cosmology)},
  language = {en},
}