@article{10_21136_AM_1978_103771,
     author = {Grygarov\'a, Libu\v{s}e},
     title = {\"Uber {Punktber\"uhrung} von konvexen {Mengen}},
     journal = {Applications of Mathematics},
     pages = {453--466},
     publisher = {mathdoc},
     volume = {23},
     number = {6},
     year = {1978},
     doi = {10.21136/AM.1978.103771},
     mrnumber = {0508547},
     zbl = {0435.90078},
     language = {ge},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1978.103771/}
}