@article{10_1017_S2040618500034912,
     author = {Foster, D. M. E.},
     title = {On generating points of a lattice in the region},
     journal = {Glasgow mathematical journal},
     pages = {141--155},
     year = {1964},
     volume = {6},
     number = {3},
     doi = {10.1017/S2040618500034912},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034912/}
}