@article{10_1017_S001708950000063X,
     author = {Iyahen, S. O.},
     title = {Semiconvex spaces {II}},
     journal = {Glasgow mathematical journal},
     pages = {103--105},
     year = {1969},
     volume = {10},
     number = {2},
     doi = {10.1017/S001708950000063X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000063X/}
}