Jorma Rissanen. Basis of invariants and canonical forms for linear dynamic systems. Automatica, 10(2):175-182, 1974. [doi]
@article{Rissanen74,
title = {Basis of invariants and canonical forms for linear dynamic systems},
author = {Jorma Rissanen},
year = {1974},
doi = {10.1016/0005-1098(74)90022-3},
url = {https://doi.org/10.1016/0005-1098(74)90022-3},
researchr = {https://researchr.org/publication/Rissanen74},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {10},
number = {2},
pages = {175-182},
}