John Murray. Time-Varying Systems and Crossed Products. Theory Comput. Syst., 17(3):217-241, 1984.
@article{Murray84, title = {Time-Varying Systems and Crossed Products}, author = {John Murray}, year = {1984}, researchr = {https://researchr.org/publication/Murray84}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {17}, number = {3}, pages = {217-241}, }