TY  - RPRT
TI  - Matrix logarithm parametrizations for neural network covariance models.
AU  - Peter M. Williams
PY  - 1999
DO  - 10.1016/s0893-6080(98)00130-0
UR  - https://pubmed.ncbi.nlm.nih.gov/12662705/
ID  - 12662705
ER  -