Timothy A. Barton, Daniel R. Fuhrmann. Covariance structures for multidimensional data. Multidim. Syst. Sign. Process., 4(2):111-123, 1993. [doi]
@article{BartonF93,
title = {Covariance structures for multidimensional data},
author = {Timothy A. Barton and Daniel R. Fuhrmann},
year = {1993},
doi = {10.1007/BF00986236},
url = {https://doi.org/10.1007/BF00986236},
researchr = {https://researchr.org/publication/BartonF93},
cites = {0},
citedby = {0},
journal = {Multidim. Syst. Sign. Process.},
volume = {4},
number = {2},
pages = {111-123},
}