M. S. Berman, M.S. Thesis, Instituto Tecnológico de Aeronáutica, S?o José dos Campos, 1981. http://www.sophia.bibl.ita.br/biblioteca/index.html

has been cited by the following article:

• TITLE: On the Stability of Our Universe

  AUTHORS: Marcelo Samuel Berman, Newton C. A. da Costa

  KEYWORDS: Roberston-Walker’s Universe; Rotation of the Universe; Stability

  JOURNAL NAME: Journal of Modern Physics, Vol.3 No.9A, September 28, 2012

  ABSTRACT: We argue that the Robertson-Walker’s Universe is a zero-energy stable one, even though it may possess a rotational state besides expansion.