@article{202105.0277, doi = {10.20944/preprints202105.0277.v1}, url = {https://doi.org/10.20944/preprints202105.0277.v1}, year = 2021, month = {May}, publisher = {Preprints}, author = {Sebastian Kühnert}, title = {Lagged Covariance and Cross-Covariance Operators of Processes in Cartesian Products of Abstract Hilbert Spaces}, journal = {Preprints} }