Ulrich Derigs. Duality and admissible transformations in combinatorial optimization. Math. Meth. of OR, 23(7):251-267, 1979. [doi]
@article{Derigs79,
title = {Duality and admissible transformations in combinatorial optimization},
author = {Ulrich Derigs},
year = {1979},
doi = {10.1007/BF01954690},
url = {http://dx.doi.org/10.1007/BF01954690},
researchr = {https://researchr.org/publication/Derigs79},
cites = {0},
citedby = {0},
journal = {Math. Meth. of OR},
volume = {23},
number = {7},
pages = {251-267},
}