@article{KJM_2019_43_2_a9,
     author = {S. C. de Almeida and F. G. B. Brito and M. Scherfner and S. Weiss},
     title = {A {New} {Pinching} for {Closed} 3-dimensional {Hypersurfaces}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {293 },
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2019_43_2_a9/}
}