E. M. L. Beale, John A. Tomlin. An integer programming approach to a class of combinatorial problems. Math. Program., 3(1):339-344, 1972. [doi]
@article{BealeT72,
title = {An integer programming approach to a class of combinatorial problems},
author = {E. M. L. Beale and John A. Tomlin},
year = {1972},
doi = {10.1007/BF01585006},
url = {http://dx.doi.org/10.1007/BF01585006},
researchr = {https://researchr.org/publication/BealeT72},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {3},
number = {1},
pages = {339-344},
}