A. Ostermann. y). Computing, 18(2):131-139, 1977. [doi]
@article{Ostermann77, title = {y)}, author = {A. Ostermann}, year = {1977}, doi = {10.1007/BF02243622}, url = {http://dx.doi.org/10.1007/BF02243622}, researchr = {https://researchr.org/publication/Ostermann77}, cites = {0}, citedby = {0}, journal = {Computing}, volume = {18}, number = {2}, pages = {131-139}, }