A. Ruff, Ulrich Derigs. Buchbesprechungen. Math. Meth. of OR, 26(1), 1982. [doi]
@article{RuffD82,
title = {Buchbesprechungen},
author = {A. Ruff and Ulrich Derigs},
year = {1982},
doi = {10.1007/BF01917136},
url = {http://dx.doi.org/10.1007/BF01917136},
researchr = {https://researchr.org/publication/RuffD82},
cites = {0},
citedby = {0},
journal = {Math. Meth. of OR},
volume = {26},
number = {1},
}