SáenzdeCabezón E and Wynn HP ‘Betti numbers, minimal free resolutions for multistate system rel
Sáenz-de-Cabezón, E. and Wynn, H.P. (2009) ‘Betti numbers and minimal free resolutions for multi-state system reliability bounds’, Journal of Symbolic Computation, 44 9: 1311-1325. DOI: 10.1016/j.jsc.2008.06.002.


