Michael Soltys. 2. Arch. Math. Log., 51(5-6):535-551, 2012. [doi]
@article{Soltys12-0, title = {2}, author = {Michael Soltys}, year = {2012}, doi = {10.1007/s00153-012-0280-0}, url = {http://dx.doi.org/10.1007/s00153-012-0280-0}, researchr = {https://researchr.org/publication/Soltys12-0}, cites = {0}, citedby = {0}, journal = {Arch. Math. Log.}, volume = {51}, number = {5-6}, pages = {535-551}, }