Issue No. 03 - March (1972 vol. 21)
Min-Wen Du , Department of Computer Science, Johns Hopkins University, Baltimore, Md. 21218.
This correspondence derives a lower bound for the size of a minimal solution of a 0-1 covering problem.
M. Du, "A Way to Find a Lower Bound for the Minimal Solution of the Covering Problem," in IEEE Transactions on Computers, vol. 21, no. , pp. 317-318, 1972.