@article{10_4064_ap170217_4_9,
     author = {Alexander Rashkovskii},
     title = {Copolar convexity},
     journal = {Annales Polonici Mathematici},
     pages = {83--95},
     publisher = {mathdoc},
     volume = {120},
     number = {1},
     year = {2017},
     doi = {10.4064/ap170217-4-9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap170217-4-9/}
}