@article{10_5817_AM2020_2_107,
     author = {Klassen, Eric and Michor, Peter W.},
     title = {Closed surfaces with different shapes that are indistinguishable by the {SRNF}},
     journal = {Archivum mathematicum},
     pages = {107--114},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2020},
     doi = {10.5817/AM2020-2-107},
     mrnumber = {4115086},
     zbl = {07217116},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5817/AM2020-2-107/}
}