Stephen L. Bloom, Douglas R. Troeger. A Logical Characterization of Observation Equivalence. Theoretical Computer Science, 35:43-53, 1985.
@article{BloomT85, title = {A Logical Characterization of Observation Equivalence}, author = {Stephen L. Bloom and Douglas R. Troeger}, year = {1985}, researchr = {https://researchr.org/publication/BloomT85}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {35}, pages = {43-53}, }