@article{10_1007_s10587_012_0005_x,
     author = {Panaite, Florin},
     title = {More examples of invariance under twisting},
     journal = {Czechoslovak Mathematical Journal},
     pages = {187--195},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {2012},
     doi = {10.1007/s10587-012-0005-x},
     mrnumber = {2899744},
     zbl = {1249.16031},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0005-x/}
}