@article{e8a39b91216444df9c5528593ca650ce,
title = "Conserved nonlinear quantities in cosmology",
keywords = "ROBERTSON-WALKER PERTURBATIONS, DENSITY PERTURBATIONS, NON-GAUSSIANITY, INFLATION, 2ND-ORDER, EVOLUTION, FLUCTUATIONS, COVARIANT, SPACETIME, UNIVERSE, 114 Physical sciences",
author = "D Langlois and F Vernizzi",
year = "2005",
doi = "10.1103/PhysRevD.72.103501",
language = "English",
volume = "72",
pages = "103501",
journal = "Physical Review D : Particles, Fields, Gravitation and Cosmology",
issn = "1550-7998",
publisher = "American Physical Society ",
number = "10",
}