Alan D. Kalvin, Yaakov L. Varol. On the Generation of All Topological Sortings. J. Algorithms, 4(2):150-162, 1983.
@article{KalvinV83, title = {On the Generation of All Topological Sortings}, author = {Alan D. Kalvin and Yaakov L. Varol}, year = {1983}, researchr = {https://researchr.org/publication/KalvinV83}, cites = {0}, citedby = {0}, journal = {J. Algorithms}, volume = {4}, number = {2}, pages = {150-162}, }