@article{10_5427_jsing_2018_18c,
     author = {Friedrich Hirzebruch},
     title = {Singularities and {Exotic} {Spheres}},
     journal = {Journal of Singularities},
     pages = {35--35},
     publisher = {mathdoc},
     volume = {18},
     year = {2018},
     doi = {10.5427/jsing.2018.18c},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2018.18c/}
}