@article{10_5427_jsing_2020_21e,
     author = {Peter J. Giblin and Stanis{\l}aw Janeczko, and Maria Aparecida Ruas},
     title = {Reflexion maps and geometry of surfaces in {R^4}},
     journal = {Journal of Singularities},
     pages = {84--96},
     publisher = {mathdoc},
     volume = {21},
     year = {2020},
     doi = {10.5427/jsing.2020.21e},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.21e/}
}