@article{10_21136_AM_1978_103736,
     author = {Grygarov\'a, Libu\v{s}e},
     title = {Sph\"arische {Abbildung} konvexer abgeschlossener {Mengen} in $E_n$ und ihre charakteristischen {Eigenschaften}},
     journal = {Applications of Mathematics},
     pages = {115--131},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1978},
     doi = {10.21136/AM.1978.103736},
     mrnumber = {0478010},
     zbl = {0404.52005},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1978.103736/}
}