Absolute and Unconditional Convergence in Normed Linear Spaces.

@article{Dvoretzky1950AbsoluteAU,
  title={Absolute and Unconditional Convergence in Normed Linear Spaces.},
  author={A. Dvoretzky and Chris A. Rogers},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1950},
  volume={36 3},
  pages={192-7}
}