The following publications are possibly variants of this publication:
- Complexity of two-level logic minimizationChristopher Umans, Tiziano Villa, Alberto L. Sangiovanni-Vincentelli. tcad, 25(7):1230-1246, 2006. [doi]
- Don t Care Minimization of Multi-Level Sequential Logic NetworksBill Lin, Hervé J. Touati, A. Richard Newton. iccad 1990: 414-417
- Multi-level logic minimization using implicit don t caresKaren A. Bartlett, Robert K. Brayton, Gary D. Hachtel, Reily M. Jacoby, Christopher R. Morrison, Richard L. Rudell, Alberto L. Sangiovanni-Vincentelli, Albert R. Wang. tcad, 7(6):723-740, 1988. [doi]