no. 3
Starshapedness in convexity spaces
Compositio Mathematica, Tome 56 (1985) no. 3, pp. 361-367. 
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     title = {Starshapedness in convexity spaces},
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     publisher = {Martinus Nijhoff Publishers},
     volume = {56},
     number = {3},
     year = {1985},
     zbl = {0584.52001},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1985__56_3_361_0/}
}
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Kołodziejczyk, Krzysztof. Starshapedness in convexity spaces. Compositio Mathematica, Tome 56 (1985) no. 3, pp. 361-367. http://archive.numdam.org/item/CM_1985__56_3_361_0/

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