Heiner Müller-Merbach, T. Talmon. Nachrichten. Math. Meth. of OR, 19(6), 1975. [doi]
@article{Muller-MerbachT75, title = {Nachrichten}, author = {Heiner Müller-Merbach and T. Talmon}, year = {1975}, doi = {10.1007/BF01954108}, url = {http://dx.doi.org/10.1007/BF01954108}, researchr = {https://researchr.org/publication/Muller-MerbachT75}, cites = {0}, citedby = {0}, journal = {Math. Meth. of OR}, volume = {19}, number = {6}, }