Logic of left variable inclusion and Plonka sums of matrices

BONZIO, S., MORASCHINI, T., PRA BALDI, M. Logic of left variable inclusion and Plonka sums of matrices. Cornell University, 2018. arXiv.org e-Print archive, arXiv:1804.08897 [math.LO]. Dostupné z: https://arxiv.org/abs/1804.08897